This is another good one! Those budgeting TV shows I remember I used to watch had the guest put away all credit cards and used cash in jars for each expense item.
Remembering my credit card number, CVV and expiry date by heart will be my downfall...
Yeah you right about that. That's why one of the simplest and most suggested budgeting techniques is to carry a cash envelope. Seeing/feeling your money makes it harder to psychologically part with it.