I always remember that rockstars know rockstars, so find someone who is a mover and shaker - likely a meetup host - and then ask them who they know.The people doing 100 flips are super busy, so I've also found the best person to find is someone who is a step or two ahead of me...so maybe for you, that is someone doing 2-3 flips a year. 

I'm an engineering student planning to start a business after graduation.

If you're busy running a ranch and raising a family, you don't want calls at 11 pm to unclog a toilet.

Little cabins have very little value.Maybe try for a commercial loan as a business?

S8 is the business of last resort.

Especially in the real estate rental sector, I like to say "Be polite through hospitality, but be harsh on Business"

It is always good business to stay conservative on numbers.  

Every loan and bank will have its associated fees and cost as its the price to do business but if you see more leverage in tapping into existing equity that could very well be the case.

If so it might be hard to sell the management side of the business as the the real estate sales may be also under the same company structure.

A good landlord wants to do reasonable business to have continued tenants.