Thats bad business, called bait and switch.
If they advertise a price, they have to honor it.
I would call or email BBB and let them know about the shady business they run.
I need a H/O alt for my 2006.5 Scion xB
Sold to: Jonesy
Traded with: Jonesy, 310w6, Ciaonzo
Bought from: newtitan. T3audioNavi