I am a car guy , a good buff and wax will do .Me , I would tell them verbally that here is 300 for a detail , or go pound sand . 

Can't speak to every market but as a lender we have done a ton of research and analysis on AirDNA and found that their projections on occupancy and revenue are stunningly close to actuals/expectations for a good operator

He said he'd been thinking about doing some geodesic domes.

When owners contact me and set up an interview they are always stunned when they realize I'm actually interviewing them.

There are some super unique properties out there if you search the Yurts, or bubble / dome homes and they are bringing in big bucks.

While zoning rules in the Bay Area can be pretty strict, there are plenty of other stunning spots across the country where you might find more leeway for your project.

Do me a favor, to avoid future problems, don’t buy a rental property with someone you are not married too.

I have found a very nice piece of land in SCC - butI am a bit confused about the rules relating to a few things: are you allowed to rent out dome properties?

Glamping is a portmanteau of "glamorous" and "camping", and describes a style of camping with amenities and, in some cases, resort-style services not usually associated with "traditional" camping. domes, yurts, cabins without modern amenities…the ones you see empty on vrbo and Airbnb in the smokies right now and listed on marketplace for sale. 

I ran a credit/background check (which are clean, she has a 630 credit score and he has a 560), they have stunning references from work and employers.