How to bring the buy option in mystery game

Hello farmers,this trick will help you to buy the items directly without wasting any dart.

Requirments of tools:
1.Charles

Steps:
1.Open charles
2.Load farm
3.Then you will see a folder named fb-tc expand it and right click on any gateway and click breakpoints
4.You will get a pop up click edit request
5.You will again get a pop up,go to the experiments folder

6.Change the number highlited in the pic to 3,then click execute
7.Then breakpoints off

8.You will get it that's it,you can buy anyone of it directly by clicking on buy option

Thnx....