"Professionalize" them to some degree.

Of course, the more the better off you will be.

STR's are a different beast entirely, whether professionally managed or not, but they do allow for an easier/quicker exit than traditional commercial such as retail, office, warehouse, or multi-family.

The reason being a General Contractor will of course charge anywhere from 15-20% of the building costs. 

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

They said it just needs to be done in a professional manner.

Too many gurus out there saying wholesaling is a quick and easy way to make money fast, only to sell their courses on wholesaling.It's a grind.

You can also find some online courses through some junior colleges that might be a better alternative.

I don't want to get ahead of myself or be too overconfident, It's always easier said than done of course. 

Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?