In the first 5 years you will collect lots of interest, and make more money than the actual purchase price because you, the seller, are now acting as the bank.

We’ve made a lot of updates since initial purchase.

Based upon the details you have, there could be potential questions from an UW on the purchase of the quadplex as to why you would be making the change from the current primary to the quadplex and from the brief information you've provided there are could be a lot of reasons why. 

We agreed that there was some miscommunication during the purchasing and onboarding process. 

First would be to leverage the paid off one's to purchase more, if you really need more of them. 

If they are "disgusted" by the carpet, then don't rent to them.That said, you should look at your flooring objectively and verify that it's not overly worn, dirty, stained, etc.

I plan to continue to purchase.  

It occurred to me a long time ago as to why no logical argument about REAL ESTATE will win an argument with someone wanting to believe that the purchase of a guru’s program will ensure their success.  

Inspections are very good for homeowner buying a primary residence because its a huge purchase in their life and they usually have little knowledge or experience, but many experiencedinvestors myself included feel confident that we will see most anything an inspector would. 

So, we've shifted gears for our real estate investing strategy to just purchasing a long-term rental.After joining this group and learning a lot, and given the housing prices in the Greater Seattle area, the lower rent-to-price ratios, bad landlord-tenant laws, and the astronomical prices, we are seriously considering investing out of state.