The ones that are doing really well (close to 100k in revenue) are entire homes with all the amenities. 

For the first 2, location and amenities are key.

So a community of these homes could definitely provide an affordable downsized housing option for active seniors (independent living style) - especially when you provide amenities on site, which will be required if you want to compete with other independent living style communities and apartment buildings.

This ensures enough space for the homes, parking, and any additional amenities while maximizing land use.Project Scale: To reach an institutional-level deal, you'll typically need at least 100 units.

New pictures, updated amenities etc can help raise your rankings.

Cannot tell location or amenities, etc.

If it’s rental property do you seek amenities in the locaton or that doesn’t matter.

The ones I manage total to 20 bedrooms.These rooms rent for between $125 to $225 per week depending on room size and amenities in the room (beyond basic amenities may include: Desk, Tv, private entry, tenant controlled AC, additional storage).This month after padsplit takes their 14.25% cut of the revenue I am recieving, from the units I own, $15,230 from 3 homes.

Still strong but lots of competition, so you need to research what works: good pics, seasonal pricing, amenities, etc.

Both could be vacationers or business travelers or anything else.No matter what you quantify your STR is, you need to fully furnish it well, have plenty of amenities etc etc.