Never use a Lightning booster alone if you can help it. Swapping two Lightnings together clears the entire board and hits every tile twice, which is the only way to clear massive amounts of oil or obstacles in one move.
Always prioritize matches at the bottom of the board. This creates cascades (chain reactions) that clear more tiles automatically, often forming power-ups you didn't even plan for. Fishdom Hack
Diamonds are the game's premium currency, but you don't need a hack to hoard them. Focus on these high-yield activities: Never use a Lightning booster alone if you can help it