User blog comment:Sam Wang/BTD5 - Tips For Reaching High Rounds/@comment-26822023-20150726084514

0/4 snipers are very good farmers, because the cooldown is fast and snipers don't take up much room. Use dart monkeys then switch over to super monkeys for rounds 1-90. 4/2 banana farms are the way to go until about round 90, then sell them and switch over to snipers and bloonchippers. If you have about 150 0/4 snipers, you can constantly spam the cooldown button, getting about 800 each time. This is extremely good farming, and when you have about 2 million cash, sell everything on the map and make something like this: