It seems that if your property is not in rural location Starlink will probably be slower than other available options but I'm not sure if this has changed as it's become more widespread recently. 

Yes, I have been all over Airdna and Zillow for a while now and it seems as if the ADR just isn't high enough to justify the cost of the homes if I wanted to buy a house and set it up as a STR.

The numbers don't seem to work here since prices have gone up. 

Your house seems to be in pretty good shape overall, with a few updates here and there.

This site makes it seem like everyone needs 100 doors to their name.

Also this firm has pretty poor communication, they seem generally unorganized.

If you intend to expand to multiple property ownership, or if you do or intend to have other assets you wouldn’t want to jeopardize by real property ownership liability; then spending $350 - $550 to set up an LLC, and $125 for tax software to fie taxes, and 3 minutes to go online once a year to file a one half page information report, seems like a small price to pay for the protection, peace of mind, possible retirement plan benefits provided.   

Ripping out a bathroom for 5-10k depending on your contractor connections or personal skills doesn't seem like a good pay off for a rental so I look for creative solutions for working with what we have...There is prob no exhaust fan system so you either need to keep the window or install exhaust fan system.

Floating vinyl is cheap and easy to install, but unless you get a better brand you are likely going to be replacing it in 5 or 6 years due to seems coming apart with the cheaper interlocking tabs breaking under stress.

We are, conservatively, about 10 years from retirement age.Based on your situation, it seems like your best option may be to proceed with building a home on the property you already own.