There is never a maximum level for upgrades on Mafia Wars.
Click on the Upgrade button.
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.
Upgrade your weapon shop on your turf. - Mark.
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.
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.
you cannot upgrade the bodega business in cuba because it's set by default.
You can only have a maximum of 501 and many people have that.
Louie's Deli can't be upgraded.
The maximum members you can have in your mafia is 500 at this point. So the maximum you could take into a fight is 500 + 1 (you) = 501
They upgrade jobs at levels 5, 9, 13, 18, 25, 35, 60, and 99.
In the Enforcer Section of Jobs
It is in the armor section