Usually the payment of a commission to the brokerage is contingent upon finding a buyer for the real estate, the successful negotiation of a purchase contract between the buyer and seller, or the settlement of the transaction and the exchange of money between buyer and seller.
The transponder cost for each account type is the same. The SunPass Portable cost is $19.99 plus tax, plus a required $10.00 minimum initial balance. The SunPass Mini Sticker Transponder cost is $4.99 plus tax, plus a required $10.00 minimum initial balance.
I commuted in FL on the toll roads for several years. The E-Pass only attempts to read your transponder when you pass over the electromagnetic coils in the ground. There is a coil in the middle of every lane at every toll plaza that takes E-Pass / Sunpass.