Chargebacks will result in a ban in most stores. Microsoft bans for it, Apple bans for it, Valve bans for it.
Valve stopped banning/suspending accounts in early 2012 (well, with one extraordinary exception) in favour of a restriction-based penalty system that merely cuts off access to certain features. This is what happens if you issue a chargeback, for example:
The only permanent change is the blacklisting of the payment account/method used; all of the other restrictions either auto-expire after nine weeks or are immediately lifted if you elect to reverse the chargeback (not my image):