diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e42893a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+.idea/
+config.json
+bin/
+obj/
\ No newline at end of file
diff --git a/.idea/.idea.TelegramRemindMe/.idea/contentModel.xml b/.idea/.idea.TelegramRemindMe/.idea/contentModel.xml
deleted file mode 100644
index 371a99c..0000000
--- a/.idea/.idea.TelegramRemindMe/.idea/contentModel.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ContentModelStore">
-    <e p="$USER_HOME$/.Rider2017.3/system/resharper-host/local/Transient/ReSharperHost/v11/SolutionCaches/_TelegramRemindMe.906015204.00" t="ExcludeRecursive" />
-    <e p="$PROJECT_DIR$" t="IncludeRecursive">
-      <e p="ChatEntry.cs" t="Include" />
-      <e p="ReminderBot.cs" t="Include" />
-      <e p="TelegramRemindMe.csproj" t="IncludeRecursive" />
-      <e p="TelegramRemindMe.sln" t="IncludeFlat" />
-      <e p="bin" t="ExcludeRecursive" />
-      <e p="obj" t="ExcludeRecursive">
-        <e p="Debug" t="Include">
-          <e p="netcoreapp2.0" t="Include">
-            <e p="TelegramRemindMe.AssemblyInfo.cs" t="Include" />
-          </e>
-        </e>
-      </e>
-      <e p="packages" t="ExcludeRecursive" />
-    </e>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/.idea.TelegramRemindMe/.idea/indexLayout.xml b/.idea/.idea.TelegramRemindMe/.idea/indexLayout.xml
deleted file mode 100644
index f1feadf..0000000
--- a/.idea/.idea.TelegramRemindMe/.idea/indexLayout.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ContentModelUserStore">
-    <explicitIncludes />
-    <explicitExcludes />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/.idea.TelegramRemindMe/.idea/modules.xml b/.idea/.idea.TelegramRemindMe/.idea/modules.xml
deleted file mode 100644
index 2326cb0..0000000
--- a/.idea/.idea.TelegramRemindMe/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/riderModule.iml" filepath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/riderModule.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/.idea.TelegramRemindMe/.idea/vcs.xml b/.idea/.idea.TelegramRemindMe/.idea/vcs.xml
deleted file mode 100644
index 94a25f7..0000000
--- a/.idea/.idea.TelegramRemindMe/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/.idea.TelegramRemindMe/.idea/workspace.xml b/.idea/.idea.TelegramRemindMe/.idea/workspace.xml
deleted file mode 100644
index bfd1d55..0000000
--- a/.idea/.idea.TelegramRemindMe/.idea/workspace.xml
+++ /dev/null
@@ -1,398 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
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-    <list default="true" id="e84d6f8d-d18c-4b5e-b283-5588f0c5d8fe" name="Default" comment="">
-      <change beforePath="" afterPath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/.idea/contentModel.xml" />
-      <change beforePath="" afterPath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/.idea/indexLayout.xml" />
-      <change beforePath="" afterPath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/.idea/modules.xml" />
-      <change beforePath="" afterPath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/.idea/vcs.xml" />
-      <change beforePath="" afterPath="$PROJECT_DIR$/.idea/.idea.TelegramRemindMe/riderModule.iml" />
-      <change beforePath="" afterPath="$PROJECT_DIR$/ChatEntry.cs" />
-      <change beforePath="$PROJECT_DIR$/Program.cs" afterPath="$PROJECT_DIR$/ReminderBot.cs" />
-      <change beforePath="$PROJECT_DIR$/TelegramRemindMe.csproj" afterPath="$PROJECT_DIR$/TelegramRemindMe.csproj" />
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-    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
-    <option name="TRACKING_ENABLED" value="true" />
-    <option name="SHOW_DIALOG" value="false" />
-    <option name="HIGHLIGHT_CONFLICTS" value="true" />
-    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
-    <option name="LAST_RESOLUTION" value="IGNORE" />
-  </component>
-  <component name="FileEditorManager">
-    <leaf SIDE_TABS_SIZE_LIMIT_KEY="675">
-      <file leaf-file-name="ReminderBot.cs" pinned="false" current-in-tab="true">
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-    <findStrings>
-      <find>received action</find>
-      <find>successfi</find>
-      <find>list task</find>
-      <find>reminders</find>
-      <find>delete</find>
-      <find>success</find>
-      <find>task added succ</find>
-      <find>Set a task as completed</find>
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-      <find>set a task</find>
-      <find>5000</find>
-      <find>doo</find>
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-  <component name="Git.Settings">
-    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
-  </component>
-  <component name="HighlightingSettingsPerFile">
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-    <setting file="file://$PROJECT_DIR$/ReminderBot.cs" root0="FORCE_HIGHLIGHTING" />
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-        <state relative-caret-position="858">
-          <caret line="37" column="7" lean-forward="false" selection-start-line="37" selection-start-column="7" selection-end-line="37" selection-end-column="7" />
-          <folding>
-            <marker date="1518030794924" expanded="false" signature="6:257" ph="..." />
-            <marker date="1518030794924" expanded="true" signature="285:9850" ph="{...}" />
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-            <marker date="1518030794924" expanded="true" signature="584:1223" ph="{...}" />
-            <marker date="1518030794924" expanded="true" signature="778:901" ph="/* Bot.OnInlineQuery += BotOnInlineQueryReceived; ... */" />
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-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Task.cs">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="38">
-          <caret line="2" column="29" lean-forward="false" selection-start-line="2" selection-start-column="29" selection-end-line="2" selection-end-column="29" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/TaskList.cs">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="76">
-          <caret line="4" column="4" lean-forward="false" selection-start-line="4" selection-start-column="4" selection-end-line="4" selection-end-column="4" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/Emoji.cs">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="34">
-          <caret line="2" column="29" lean-forward="false" selection-start-line="2" selection-start-column="29" selection-end-line="2" selection-end-column="29" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/ChatEntry.cs">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="170">
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-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/ReminderBot.cs">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="306">
-          <caret line="193" column="13" lean-forward="true" selection-start-line="193" selection-start-column="13" selection-end-line="193" selection-end-column="13" />
-          <folding>
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-            <marker date="1518030794924" expanded="true" signature="778:901" ph="/* Bot.OnInlineQuery += BotOnInlineQueryReceived; ... */" />
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-          </folding>
-        </state>
-      </provider>
-    </entry>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/.idea.TelegramRemindMe/riderModule.iml b/.idea/.idea.TelegramRemindMe/riderModule.iml
deleted file mode 100644
index 1a4e0d9..0000000
--- a/.idea/.idea.TelegramRemindMe/riderModule.iml
+++ /dev/null
@@ -1,7 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="RIDER_MODULE" version="4">
-  <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$/../.." />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/ReminderBot.cs b/ReminderBot.cs
index 6fd672e..9013b90 100644
--- a/ReminderBot.cs
+++ b/ReminderBot.cs
@@ -1,4 +1,5 @@
-using System;
+using
+    System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -8,12 +9,13 @@ using Telegram.Bot.Args;
 using Telegram.Bot.Types;
 using Telegram.Bot.Types.Enums;
 using Telegram.Bot.Types.ReplyMarkups;
+using Newtonsoft.Json;
 
 namespace TelegramRemindMe
 {
     public static class ReminderBot
     {
-        private static readonly List<ChatEntry> Chats = new List<ChatEntry>();
+        private static List<ChatEntry> _chats = new List<ChatEntry>();
 
         private static readonly TelegramBotClient Bot =
             new TelegramBotClient("511835815:AAHewCgiXep58wF6tDWIW133LhfqjCbb8c4");
@@ -26,7 +28,9 @@ namespace TelegramRemindMe
             //Bot.OnInlineQuery += BotOnInlineQueryReceived;
             //Bot.OnInlineResultChosen += BotOnChosenInlineResultReceived;
             Bot.OnReceiveError += BotOnReceiveError;
-
+            if(!System.IO.File.Exists("config.json"))
+                SaveToJson(_chats);
+            _chats = ReadJson();
             var me = Bot.GetMeAsync().Result;
 
             Console.Title = me.Username;
@@ -43,10 +47,10 @@ namespace TelegramRemindMe
 
             if (message == null || message.Type != MessageType.Text) return;
 
-            if (Chats.Find(e => e.ChatId == messageEventArgs.Message.Chat.Id) == null)
-                Chats.Add(new ChatEntry(messageEventArgs.Message.Chat.Id));
+            if (_chats.Find(e => e.ChatId == messageEventArgs.Message.Chat.Id) == null)
+                _chats.Add(new ChatEntry(messageEventArgs.Message.Chat.Id));
 
-            var currentChat = Chats.Find(e => e.ChatId == messageEventArgs.Message.Chat.Id);
+            var currentChat = _chats.Find(e => e.ChatId == messageEventArgs.Message.Chat.Id);
 
             switch (currentChat.status)
             {
@@ -103,10 +107,10 @@ namespace TelegramRemindMe
             Console.WriteLine(
                 $"Received action request from @{callbackQueryEventArgs.CallbackQuery.Message.Chat.Username}: {callbackQueryEventArgs.CallbackQuery.Data}");
 
-            if (Chats.Find(e => e.ChatId == callbackQueryEventArgs.CallbackQuery.Message.Chat.Id) == null)
-                Chats.Add(new ChatEntry(callbackQueryEventArgs.CallbackQuery.Message.Chat.Id));
+            if (_chats.Find(e => e.ChatId == callbackQueryEventArgs.CallbackQuery.Message.Chat.Id) == null)
+                _chats.Add(new ChatEntry(callbackQueryEventArgs.CallbackQuery.Message.Chat.Id));
 
-            var currentChat = Chats.Find(e => e.ChatId == callbackQueryEventArgs.CallbackQuery.Message.Chat.Id);
+            var currentChat = _chats.Find(e => e.ChatId == callbackQueryEventArgs.CallbackQuery.Message.Chat.Id);
 
             switch (callbackQueryEventArgs.CallbackQuery.Data)
             {
@@ -140,14 +144,16 @@ namespace TelegramRemindMe
                     currentChat.IsWorkingMessage = true;
                     currentChat.WorkingMsg = callbackQueryEventArgs.CallbackQuery.Message.MessageId;
                     SendOverview(currentChat);
-                    currentChat.WorkingMsg = callbackQueryEventArgs.CallbackQuery.Message.MessageId;Bot.AnswerCallbackQueryAsync(callbackQueryEventArgs.CallbackQuery.Id, "Showing all tasks");
+                    currentChat.WorkingMsg = callbackQueryEventArgs.CallbackQuery.Message.MessageId;
+                    await Bot.AnswerCallbackQueryAsync(callbackQueryEventArgs.CallbackQuery.Id, "Showing all tasks");
                     break;
                 case "Hide completed tasks":
                     currentChat.AllTasksShown = false;
                     currentChat.IsWorkingMessage = true;
                     currentChat.WorkingMsg = callbackQueryEventArgs.CallbackQuery.Message.MessageId;
                     SendOverview(currentChat);
-                    await Bot.AnswerCallbackQueryAsync(callbackQueryEventArgs.CallbackQuery.Id, "Showing only uncompleted tasks");
+                    await Bot.AnswerCallbackQueryAsync(callbackQueryEventArgs.CallbackQuery.Id,
+                        "Showing only uncompleted tasks");
                     break;
                 default:
                     Console.WriteLine("Wat (Unknown callback action)");
@@ -160,21 +166,24 @@ namespace TelegramRemindMe
 
         private static async void SendOverview(ChatEntry chat, string prefixLine = "")
         {
+            SaveToJson(_chats);
             var actionKeyboard = new InlineKeyboardMarkup(new[]
             {
                 new[]
                 {
                     InlineKeyboardButton.WithCallbackData("Add a new task"),
-                    InlineKeyboardButton.WithCallbackData("Set a task as completed"), 
+                    InlineKeyboardButton.WithCallbackData("Set a task as completed"),
                 },
                 new[]
                 {
-                    InlineKeyboardButton.WithCallbackData(chat.AllTasksShown ? "Hide completed tasks" : "Show all tasks")
+                    InlineKeyboardButton.WithCallbackData(
+                        chat.AllTasksShown ? "Hide completed tasks" : "Show all tasks")
                 }
             });
 
             await Bot.SendChatActionAsync(chat.ChatId, ChatAction.Typing);
 
+            //TODO: why is this firing when workingmsg already deleted?
             if (chat.IsWorkingMessage)
                 await Bot.DeleteMessageAsync(chat.ChatId, chat.WorkingMsg);
 
@@ -228,5 +237,38 @@ namespace TelegramRemindMe
                 receiveErrorEventArgs.ApiRequestException.ErrorCode,
                 receiveErrorEventArgs.ApiRequestException.Message);
         }
+
+        private static void SaveToJson(List<ChatEntry> chats)
+        {
+            var str = JsonConvert.SerializeObject(chats);
+            while (true)
+            {
+                try
+                {
+                    System.IO.File.WriteAllText("config.json", str);
+                    break;
+                }
+                catch
+                {
+                    Console.WriteLine("Unable to write to config.json, retrying...");
+                }
+            }
+        }
+
+        private static List<ChatEntry> ReadJson()
+        {
+            while (true)
+            {
+                try
+                {
+                    var str = System.IO.File.ReadAllText("config.json");
+                    return JsonConvert.DeserializeObject<List<ChatEntry>>(str);
+                }
+                catch
+                {
+                    Console.WriteLine("Unable to read from config.json, retrying...");
+                }
+            }
+        }
     }
 }
\ No newline at end of file