This should be easy enough for anyone...including a two-year old
Step 1: Swipe Until You Have $80
It's all in the title
Step 2: Buy the Pig
Open up financial investments and buy the piggy bank
Step 3: MONEY!!!
Turn off your wi-if (to prevent ads), leave your device on overnight, check again tomorrow, then repeat the process many times (with different upgrades, of course) then, in maybe a few weeks, you will be rolling in cash and you can brag to your friends