Traditional Investor Mortgage, with 15% down.

Going the MLS route and using traditional financing is going to be much easier and less risky for someone starting out.

Paint, LVP flooring, IKEA cabinets, replacing outdated light fixtures will save you money if you do it yourself and they aren't highly technical. 

Light rehab after the tenants move out, if they want to move out What was the outcome?

We updated the light fixtures.

HELOCs are all over the place, as they aren't regulated the same as traditional mortgages. 

We will then put just enough money into the property " light to moderate rehab" carpet, paint, minor updates in kitchen and bath, cleaning, professional photos, staging, and re-listing property of the OFF market property onto the MLS. 1) What is the best way to get funding for the entire property and closing cost including fees, and money for rehab? 

What should I do with the money I am earning right now in internships if I plan to begin investing in real estate as soon as possible after graduation (whether that's house hacking or traditional rental)? 

At the very least you should have a discussion with your lender and have them pre-qualify you if you are planning on getting traditional financing.

Our market is great and compared to other large coastal towns traditionally good value.