Your very best education will be from other successful investors, (mentors) I have found that agents are the hardest people to train in the ways of investing, they (and I am a broker) have been on the other side of real estate too long, it is difficult to switch them from the mind set of representing others to representing themselves.They believe in their 30 some page contract of sale, they are content with small commissions, they don't believe the creative formulas that investors apply to deals really work - just too conventional and under the brain washing  of the established archaic systems of of doing business.Study investor contracts and the clauses found therein - us a "skinny Contract = one pageLearn to represent yourself with an objective of assignments for profits larger than commissions.Consider learning some creative financing methods:, delayed settlement, front porch clauses, vertical break up, seller financing with split notes,tax deferred exchanges, rolling options, principal mortgages, and power prospecting for wholesale transactions, tax sales and probate lead methods. 

Previous owner deferred a bunch of small maintenance items.

You may be able to use retirement funds for flipping and not be taxed  or at least defer the tax. however that means all the profits stay  in the retirement account.

We want to have the 1031 investors complete their tax deferred exchange with us.

So he's got to decide whether he's willing to purchase more real estate.Then, in order to defer all tax he must purchase at least as much as he sells (165K) and use all proceeds - $35K cash and a note for $35K. 

Ensuring that water and sewer infrastructure is in working order and not subject to major deferred maintenance is critical for small parks.

How would that even be possible, unless there's major deferred maintenance taking place in the complex? 

I don’t recommend putting yourself or anyone else under pressure but it is a smart idea to defer taxes and grow your portfolio.

I'll defer to others as far as other advice, but best of luck.

I plan to invest the proceeds in an Opportunity Zone (personally) to defer my taxes.