Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to save gems and money in clash of clans [title] Use gems for really important things only, such as builder huts. [step] They are the most important thing you can get in the game with gems. They make it so you can upgrade multiple buildings at the same time, increasing productivity.

Ending1: [title] If you have no more gems to save, don't bother. [step] Wait a while and you will find you will spend less gems. Ending2: [title] Upgrade your d&d farmers if you want money. [step] There are only 2 versions of the d&d farming system, but you can upgrade more than 1 version of it at once. Ending3: [title] Only buy at the price you are. [step] Gems need to be worth enough to ensure you build everything you need. Ending4: This also makes it so that attackers can't steal as much gold and elixir. [title] Clear all the natural decoration as possible.

Answer format: ending1/ending2/ending3/ending4