An additional update. Over last last month, House Seats implemented a $49 membership upgrade fee in addition to their normal cost. If you upgrade, you'll supposedly get text messages of new shows available before anyone else. This is unacceptable. It basically makes my membership worthless. I already paid for my membership and now they are making it much more difficult for me to get notified of good shows. It's like they are extorting us to pay the additional fee. I refuse to pay this $49 fee. Too bad I cannot cancel my membership and get a refund. I will not be renewing when my current membership ends.
Showtickets4locals has a membership upgrade fee. This is ok because their normal membership is free.