diff --git a/ArchiSteamFarm/Bot.cs b/ArchiSteamFarm/Bot.cs
index 1869efefd..ae6bcbe62 100755
--- a/ArchiSteamFarm/Bot.cs
+++ b/ArchiSteamFarm/Bot.cs
@@ -1885,18 +1885,24 @@ namespace ArchiSteamFarm {
 			}
 
 			foreach (SteamFriends.FriendsListCallback.Friend friend in callback.FriendList.Where(friend => friend.Relationship == EFriendRelationship.RequestRecipient)) {
-				if (friend.SteamID.AccountType == EAccountType.Clan) {
-					if (IsMasterClanID(friend.SteamID)) {
+				switch (friend.SteamID.AccountType) {
+					case EAccountType.Clan when IsMasterClanID(friend.SteamID):
 						ArchiHandler.AcceptClanInvite(friend.SteamID, true);
-					} else if (BotConfig.IsBotAccount) {
-						ArchiHandler.AcceptClanInvite(friend.SteamID, false);
-					}
-				} else {
-					if (IsFamilySharing(friend.SteamID)) {
-						SteamFriends.AddFriend(friend.SteamID);
-					} else if (BotConfig.IsBotAccount) {
-						SteamFriends.RemoveFriend(friend.SteamID);
-					}
+						break;
+					case EAccountType.Clan:
+						if (BotConfig.IsBotAccount) {
+							ArchiHandler.AcceptClanInvite(friend.SteamID, false);
+						}
+
+						break;
+					default:
+						if (IsFamilySharing(friend.SteamID)) {
+							SteamFriends.AddFriend(friend.SteamID);
+						} else if (BotConfig.IsBotAccount) {
+							SteamFriends.RemoveFriend(friend.SteamID);
+						}
+
+						break;
 				}
 			}
 		}
diff --git a/ArchiSteamFarm/GlobalDatabase.cs b/ArchiSteamFarm/GlobalDatabase.cs
index 4bed70d53..92b2a7cab 100644
--- a/ArchiSteamFarm/GlobalDatabase.cs
+++ b/ArchiSteamFarm/GlobalDatabase.cs
@@ -74,7 +74,7 @@ namespace ArchiSteamFarm {
 				return null;
 			}
 
-			return new HashSet<uint>(PackagesData.Where(package => (package.Value.AppIDs != null) && package.Value.AppIDs.Contains(appID)).Select(package => package.Key));
+			return new HashSet<uint>(PackagesData.Where(package => package.Value.AppIDs?.Contains(appID) == true).Select(package => package.Key));
 		}
 
 		internal static GlobalDatabase Load(string filePath) {
diff --git a/ArchiSteamFarm/Trading.cs b/ArchiSteamFarm/Trading.cs
index 56ebf786a..b17c15b86 100644
--- a/ArchiSteamFarm/Trading.cs
+++ b/ArchiSteamFarm/Trading.cs
@@ -239,28 +239,28 @@ namespace ArchiSteamFarm {
 			}
 
 			// Check if it's donation trade
-			if (tradeOffer.ItemsToGive.Count == 0) {
-				// If it's steam fuckup, temporarily ignore it, otherwise react accordingly, depending on our preference
-				if (tradeOffer.ItemsToReceive.Count == 0) {
+			switch (tradeOffer.ItemsToGive.Count) {
+				case 0 when tradeOffer.ItemsToReceive.Count == 0:
+					// If it's steam fuckup, temporarily ignore it
 					return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedTemporarily);
-				}
+				case 0:
+					// Otherwise react accordingly, depending on our preference
+					bool acceptDonations = Bot.BotConfig.TradingPreferences.HasFlag(BotConfig.ETradingPreferences.AcceptDonations);
+					bool acceptBotTrades = !Bot.BotConfig.TradingPreferences.HasFlag(BotConfig.ETradingPreferences.DontAcceptBotTrades);
 
-				bool acceptDonations = Bot.BotConfig.TradingPreferences.HasFlag(BotConfig.ETradingPreferences.AcceptDonations);
-				bool acceptBotTrades = !Bot.BotConfig.TradingPreferences.HasFlag(BotConfig.ETradingPreferences.DontAcceptBotTrades);
+					// If we accept donations and bot trades, accept it right away
+					if (acceptDonations && acceptBotTrades) {
+						return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.AcceptedWithoutItemLose);
+					}
 
-				// If we accept donations and bot trades, accept it right away
-				if (acceptDonations && acceptBotTrades) {
-					return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.AcceptedWithoutItemLose);
-				}
+					// If we don't accept donations, neither bot trades, deny it right away
+					if (!acceptDonations && !acceptBotTrades) {
+						return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedPermanently);
+					}
 
-				// If we don't accept donations, neither bot trades, deny it right away
-				if (!acceptDonations && !acceptBotTrades) {
-					return new ParseTradeResult(tradeOffer.TradeOfferID, ParseTradeResult.EResult.RejectedPermanently);
-				}
-
-				// Otherwise we either accept donations but not bot trades, or we accept bot trades but not donations
-				bool isBotTrade = (tradeOffer.OtherSteamID64 != 0) && Bot.Bots.Values.Any(bot => bot.CachedSteamID == tradeOffer.OtherSteamID64);
-				return new ParseTradeResult(tradeOffer.TradeOfferID, (acceptDonations && !isBotTrade) || (acceptBotTrades && isBotTrade) ? ParseTradeResult.EResult.AcceptedWithoutItemLose : ParseTradeResult.EResult.RejectedPermanently);
+					// Otherwise we either accept donations but not bot trades, or we accept bot trades but not donations
+					bool isBotTrade = (tradeOffer.OtherSteamID64 != 0) && Bot.Bots.Values.Any(bot => bot.CachedSteamID == tradeOffer.OtherSteamID64);
+					return new ParseTradeResult(tradeOffer.TradeOfferID, (acceptDonations && !isBotTrade) || (acceptBotTrades && isBotTrade) ? ParseTradeResult.EResult.AcceptedWithoutItemLose : ParseTradeResult.EResult.RejectedPermanently);
 			}
 
 			// If we don't have SteamTradeMatcher enabled, this is the end for us