This is a thoughtful question.RE has 2 speeds: Forward is usually slow; Reverse is fast and painful.With this in mind, the most basic goal of any seasoned investor is NOT TO LOSE.

There are folks in Milwaukee that would do a roof for $5000, but you may be compromising on some aspect (price, speed or quality). 

Even if you hire a GC to run your project, you better know all the ins and outs of actually doing the project.So, given what you write, spend the next few years fixing your credit, saving your money, and learning construction.One way to get started is a "low speed fix and flip".

I have lots of days off to get up to speed.

Important question to speed along my progress as an Investor...In the Boston area to South Shore, which banks have you been using that will loan you money for Real Estate Investing?

It helps to have a realtor to speed up the process or fill in where you dont understand but make sure you have the finances for a just in case.

No need to really apologize Ned as I respect your challenge to bring me up to speed.

Been there done that on one's on private systems.. those can really turn ugly to the point of losing the whole thing because fixing or replacing old decrepit systems will cost more than the park is worth in its best day.we just did one in Oregon and you would be surprised how much you spend modernizing it.. this was a 19 space and we spent 250k in cash out of pocket to get it up to speed.

I'd suggest you get up to speed and talk to several contractors that do build to suit. from concept through completion.

You'll always have a trade off when it comes to speed, quality and price.