Does anyone know where I can buy either (a) a washer and dryer that comes with this system, or (b) an aftermarket add on?

One alternative approach that you can do if it's a local or regional ban is to have them go through the commitment process first before ordering third party reports.

Florida has prohibited any new local regulations that ban vacation rentals, but they can still pass new laws regulating them and any existing prohibitions are grandfathered in.  

There was no outright ban or limit to number of people, just a mention of the definition of family being any number of related individuals, or up to 4 unrelated individuals.

There is also a parking ban in the winter from December to April that would pose a problem for winter 6 month leases.

You want to make sure there's no language in there banning assignments.On the Florida FarBar there is a spot to check that allows you to assign or not assign.

Here is a story on the topic...Lawsuit: Can Asheville ban short-term rentals?

In Texas's latitudes, I'm not sure if compass orientation would play a role.Here in the "upper" portions of the Midwest, anything facing north is sheltered from the mid-day sun by what ever it's attached to.When this house was built, I had them put the condensing unit (CAC) on the north side to shield it from the sun most of the day.With the sun higher in the mid-day sky, dunno if it would help that much.David J Dachtera"Success is not a destination.

The exact same scenario happened with Amendment One (2012 - banning gay marriage).

Last have a building inspector look very coldly (not closely but coldly) at the building – and look for legacy issues such as banned materials, dodgy plumbing or electricity, deferred maintenance etc..