You can upgrade your stats on Mafia Wars by leveling up and getting profile points or you can buy them from the godfather using reward points and then upgrade your stats.
Click on the Upgrade button.
There is never a maximum level for upgrades on Mafia Wars.
Upgrade your weapon shop on your turf. - Mark.
Louie's Deli can't be upgraded.
You get shipping containers by asking your mafia for them from the chop shop upgrade page. Or you can receive them from your mafia in place of mystery bags.
you cannot upgrade the bodega business in cuba because it's set by default.
Go to you Vegas properties, choose upgrade on the vault, and if you have all the building materials you can upgrade it to a bigger size.
They upgrade jobs at levels 5, 9, 13, 18, 25, 35, 60, and 99.
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It is the regular people in your mafia that are very good or your friends that you put in your top mafia to boost all your stats.
It will increment your Wars Lost in your profile stats
Level 30 is as high as they go in Cuba, Bangkok and Moscow