Tool:
Cheat Engine
Browser

Tutorial:

Open Cheat Engine
choice your browser
go to shop& buy item
buy goods that require a 6 hour course
Value Type To Double
First Scan "21600: 6 Hour"
Double click all results or hold shift, click 1st addres, and then last address
The Result Will Go Down
Change Their Value To "1"
normal change tool to collection tool for Quickly let me quickly take his coin
collect all your coins

sorry im from indonesia my english very bad

sorry if the video is a bit blurry ^_^