That is a very dishonest way to operate your business, and will get you a bad reputation and lose you money.

Thus creating a monopoly that I don't know how to get out of.I've worked years in this industry from the PM-end and never seen anyone try to bill a percentage off the security deposit and, though a little digging is showing me it CAN be done, it seems like bad business.

Also, would this loan help build my personal credit, or would it only report to business credit bureaus under my LLC?

We have helped several businesses open up using a Tiny Home to fit their business needs along with the City of St Louis with their homeless project.

Most importantly, understand the difference between a business purpose and consumer purpose loan.Read my post in this thread, which details our process in actionable terms.

In all seriousness, if this is the start of a budding STR business for you, your parents should understand. 

Life and business are complicated.

This lender is probably in the residential niche and is trying to get your business for a loan.

But, primarily my main business is remodel work. 

I wish more wholesalers understood wholesaling is a business and not just a fun hobby.