But I'll do the best I can to help from reading what you posted based on price it seems good but there's still a lot of unknowns, since your house hacking and it's a duplex this might be common sense but please check if you ever decide to sell the property would it be sold as one collective property for 150k or separate I mention this because it seems like you'll be using a hard money lender.Also when it comes to rehab if you don't feel comfortable estimating the rehab do what I have done contact several rehabbers and show them the property and get a quote estimate that way.Along with this to eliminate any doubt the most important information (depending on your exit strategy) is the ARV you generally get this information from realtors to see what similar properties have sold and how long does a similar property take to sell.

The other problem is we are currently doing a cash out refinance on the property and putting it on the market, would eliminate that.

I started racing right out of high school, so no college degree which eliminates doctor/lawyer/cpa/dentist/stockbroker...

This eliminates flipping for most people.

Staring construction before obtaining ownership is a risk but if seller aware of the list of risk bellow and be able to eliminate those - Ye, why not.  

Just by dropping anyone with less than 50% equity (as best I can) eliminates a ton of tire kickers.

That in itself will possibly eliminate some.  

That self eliminates the ones with issues.

At this time, my current financial goal is to eliminate my student loan debt in 3 years and have enough capital, confidence, and knowledge to start investing before that 3 year period comes.

Eliminates persistent Odors, skunk smells, you name it.