I think that the members of your family will be your PSAs .
That is the same as s-builder Co-op.
What is more interesting for the family is that you'll have a new topic of discution rich and varied daily (example: auctions).
The TCredits can be rent ,used as an incentive, as gifts and also as a means of winning products for the family at tripleclicks auctions
It is also a way to broaden the parental relationships, marriage relations etc ...
