Knowing comps and estimating rehab costs for your projected return targets is critical.

Some were more than a cosmetic repair but the cash at closing justified the effort.I have talked to a number of people over the past few years that got pulled into the coaching programs that provided theory that is available for free or very little especially here that never got a deal, never got the assistance they were promised and now had a financial hole they were digging out of after buying the course.Finding the RIGHT deal is key but setting up possible financing before finding the deal is critical. 

Data is critical.

This is a market I don't understand so can't criticize your methods. 

If you don't have any of that, you will likely generate better return investing passively - but it's critical to understand what it means to be passive. 

I will take all the help, suggestions, constructive criticism, etc. that I can get.

What's critical is the tenants credit history. things like:- % of on time payments (I like this to be 90% or more)- debt to income ratio (how many open credit lines i.e. car payments, child payments, etc they have) and compare that to their income .- any defaults, liens, etc on them. - duration of open credit lines.

Or another one like it.It is mission critical that you understand the landlord tenant laws in Massachusetts because they are tenant-friendly in the extreme. 

Recognizing the significance of major renovations, I wisely enlisted the assistance of a seasoned contractor, ensuring that critical work was executed with professionalism and precision.

We back up everything we do with a 100% money-back guarantee and, while no one has ever taken us up on it, our clients like knowing that we have skin in the game and are dedicated to ensuring their satisfaction with every facet of their investment - the returns, the communication, me, our staff -  everything.