I recommend Total Money Makeover by Dave Ramsey and consider taking his class Financial Peace University. 

Modest 8-unit property is in the realm where the "fool and their money" have not necessarily already been parted (...yet...), so they might try fishing for a sucker.

@Jorge F RodriguezI would make sure you live in it for at least 2 years to avoid capital gains taxes, then sell the property. 

The investor generally needs 6 months of "reserves" or savings of mortgage, property taxes and insurance (and HOA if applicable).

I'm not sure where to start with private money or hard money lending when it comes to covering rehab costs on a rental property that we already own.

@Jason SungWhat do you plan to use the money for? 

The college girls are very sweet. 2 play sports on scholarship and work and have told me they pay their own way with their scholarship money, loans, work etc and have good references from previous landlord and credit score. 

Active Income: Profits from fix & flips are considered active income, subject to ordinary income tax rates, unless structured through a business entity.4.

Investment Info:Single-family residence hard money loan investment.

Also, your credit rating is typically secondary in the underwriting decisions of a hard money loan.