Do you buy homes that do not satisfy this rule, or do you just make lower offers so that you adhere to that rule?

Have been on bigger pockets a while, but havent made full use of the site. 

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.

I was able to get them in touch with an off booking sites place that had an opening in town.

One thing people haven't mentioned is look for your own ad on the key rental syndicated sites and see if it presents well. 

I dont think its a terrible idea to post to sites now that say updated photos coming soon.

Their customer support is terrible and some of their software, but they have about 8x the site traffic in general than Airbnb and VRBO combined, surprisingly.  

I mainly want a site that offers advertising the property, online payment options, maintenance requests & at least a basic accounting aspect.Thank you in advance!

Here's a few examples:Does the lender release for materials on site or do they have to be installed? 

In your case and my case in the example sited the insurance rose higher than could reasonably be forecast.