Do not invite things to be messed up.  

Search the BP for ADU appraisals to encounter numerous examples.

However, there are numerous ways to CREATE investments that have 15% or more cash flow AFTER repairs and allowance for cap ex.  

I'd be careful - this kind of thing can put you at risk if you are wrong.A more effective way to do this that might contribute value to the world in some way would be to put together a reasonable, rational, and professional post, asking for feedback, and inviting the person you are accusing or highlighting of wrongdoing to respond. 

To make the most possible you will want it to be nice and inviting, also have a shower installed and at least a kitchenette IMO.Once you have your total cost for build out and furnishing, then figure out projected income. 

It's amazing how a unique backsplash or a standout light fixture can elevate the entire space and make it feel more inviting.

As others have mentioned, the note-investing industry is too small to support numerous listing sites that can be profitable from simply transaction-based revenue.

While visiting the house, there are numerous items which need remediation including flooring, light fixtures, landscaping, some drywall work.

The interior is finished with pine paneling to give a warm and inviting feeling of cozy comfort. 

I'll send out an invite and feel free to respond with your contact info so we can connect.