Bestbuy offers Occasions 12' Wide Inflatable Haunted House Archway with Flashing Lights for $89.99 (orig. $149.99) with free shipping.

Product Description:
This huge, lighted, haunted house archway inflatable from Occasions is very unique. It measures 12 feet wide by 10.5 feet tall. Includes five characters in windows with flashing lights. If you want to be different this Halloween, this is the way to do it. Takes only a few minutes to set-up in your yard.
Thanks Maggie