Property spec:Asking $2MOffering: $1.6MCurrent Monthly Gross Rent $19kMarket Adjusted Rent after purchase:  $21.5kSeller financing 80% @ 5.5%.Needed cash to close:  $320k + closing costsRepairs:  $50kI have a very high credit score, high income($265K) and have $100K in cash. 

If you're still ok under the worst case scenario then you should be fine.The second thing I would suggest is looking at risk-adjusted returns for comparative investments.For example, if you don't buy this 6-plex you need to do something with this money.

Invest in a quality underlayment that will help adjust for any imperfections in the subfloor.

@Xai Xiong you want your comps as close in proximity as possible and adjust them to be similar in size. 

I am regularly adjusting what the workers are doing because they clearly are not fully capable.

Do not adjust your standards.

REIKIT is good for comp analysis and adjustments.

We did a 4.25% commercial loan for first 3 years, and then adjusts after that with 10 year loan period before refi.

This usually gives you a pretty clear picture of value, and you can infer the value of the subject property by adjusting for differences between it and the comparable properties (called adjustments). 

If you have a tax return prepared during your retirement period - look at the bottom of the first page for the number called AGI, Adjusted Gross Income.2.