ETA: My picks are 3 & 4.
Open a new checking account with a debit card
The account is always at a $0.01 balance
Keep this card in its own specific pocket
Now anytime you go to buy something, the exact amount will be deposited into the account and immediately withdrawn for said purchase.
Congratulations, literally everything costs a single penny.
Implement the selling of items, the transfers to alternate accounts, etc., and you can create infinite money.
ETA: My picks are 3 & 4.
Open a new checking account with a debit card
The account is always at a $0.01 balance
Keep this card in its own specific pocket
Now anytime you go to buy something, the exact amount will be deposited into the account and immediately withdrawn for said purchase.
Congratulations, literally everything costs a single penny.
Implement the selling of items, the transfers to alternate accounts, etc., and you can create infinite money.