[Demisis_P2P]

Unlimited ammo was always a bad idea.

One of the problems with the economy is the scale.
$2,000,000 for a gun just looks like too big of a number and puts people off before they even start. $20,000 for a gun seems a lot more reasonable, even if you make every job pay 100 times less so that it's the exact same amount of work.

A tax on bank accounts or withdrawals/deposits would never work.
The best place to make a tax would be in the trade window, similar to the tax on GK. If the pawn shop was slightly better you could use the pawn price to get a moving average value of every item to base the tax off.