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

Game changer for active investor looking to get more passive investments, busy professional looking to diversify in real estate, individual investor looking to get into commercial or larger assets. 

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

I am always available if you would like to bounce individual scenarios around. 

When you have all the properties identical to each other, how do you compete?

Break it down into individual costs so you have a clear picture of where your money is going.

If you're not conducting the work yourself, contract with reputable and competent companies.

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.

Yes, there are exceptions for significant life events (job change), but each individual must meet the FHA loan qualifications on their own, and the second loan must be for a valid reason, like a job relocation or other extenuating circumstances.

Or do you know of any groups or individuals working in this space?