Possibly being abusable for some players trying to transfer their money from one to another account (because i am pretty sure i will do it if this feature exists).
Instead of auction, the Black Market can just simply being a place to get used cars instead. Whenever someone sells their ride, the certain car will be on the Black Market for a period of time and players can buy it as long as it's available.
Some specific rules to prevent something unwanted happens :
1. Seller only got the normal price of selling cars. This is should not profitable in any way!
2. Buyers buys full price (negotiable) of the car so they cannot get cheap maxed cars easily.
3. Buyers need to have the car Unlocked before buying (not sure about the parts and tunes).
Instead of auction, the Black Market can just simply being a place to get used cars instead. Whenever someone sells their ride, the certain car will be on the Black Market for a period of time and players can buy it as long as it's available.
Some specific rules to prevent something unwanted happens :
1. Seller only got the normal price of selling cars. This is should not profitable in any way!
2. Buyers buys full price (negotiable) of the car so they cannot get cheap maxed cars easily.
3. Buyers need to have the car Unlocked before buying (not sure about the parts and tunes).