If you want to be mentored your best bet is to go work for a company - most CRE is not a single individual and CRE is fast moving and things happen fast and you can't structure a "follow me to learn" without working for someone 

When pulling the credit report one of the individuals has a high debt to equity ratio (50 %) My fear is what if this High DTI and credit usuage could result in one of the parties defaulting on future rent.

AirDNA has tools where you can explore the metrics on individual cities down to single zip codes.

There'll be like-minded individuals who's brains you can pick as well:https://www.biggerpockets.com/forums/521/topics/1230348-pint...

I guess my question is, should I narrow my focus to one REI strategy or keep it broad and analyze each opportunity individually?

And individual deals.  

If a cash out refinance, many lenders will allow the cash out to satisfy the reserves requirement.DSCR lenders generally let you vest either individually or as an LLC.

Personalizing your message to the individual recipient is the best way to avoid this.

They snuck under the rules by claiming that private individuals had the right to offer other private individuals the service.So again, how do these cities get away with regulating people's abilities to rent their homes on a short term basis? 

Would you purchase new mobile homes and place them on each individual or combined lots and either A.