There are a lot of plug-ins for both wordpress and WIX that do bookings but I don't know if I'd recommend really trying to bypass the big dogs. 

No, just Gov. kicking out OUR $ to cover there buddies butt's. 

Your agent can also help plug in these metrics. 

Shameless plug: Checkout podcast #114 on vacation rentals.Link below.http://www.biggerpockets.com/files/user/RealtyStak...S

You´ll still need to charm them and present them with professional brochures prior to funding including deal summary, financial breakdown, detailed renovation budget, suggested loan terms, local market comps and yes, a personal guarantee.Keep plugging away buddy.

I will tell you, if i checked in, one of the first things i would do is unplug them. yes, i would plug them back in before i left, i just wonder what value you thin you get from them vs the expense.

Just keep on his butt, and with hold the $$ but get a plan b going.

Also seeing as he covered his butt and recommended in writing that you have a separate roof inspection, I don’t see how he’s liable for anything technically, unfortunately.

But beware, as the agent's #1 priority often will be looking out for the seller's best interests (and their own) so scrutinize everything you're told and dissect everything you see; cover your own butt. 

Take the sale price x 75% and plug that 75%LTV figure into an online mortgage calculator to get the monthly payment, then add to that payment the monthly taxes, insurance and HOA fee (if it has one) to get a monthly expense grand total.