I am sure there is more to it.I am curious because with a 6.5 acre lot, you can fit in a few of those cabins.Hopefully someone who had looked into these type of deals before finds this thread and shares his/her experience/opinions.

They sound like a better fit for a SFR to me.I'd talk to the good tenant and try to keep them happy. 

That is a key part of my criteria and I keep getting agents that don't get that and tell me about places that don't fit that criteria. 

What I hear you saying is in real estate, there is no such thing as one size fits all.

If you find none and are satisfied with the condition, refund the tenant as much as you see fit.

What company would allows an excel file to be uploaded and filtered for equity?

Business credit depends on good to excellent personal credit, comes with 0% interest to sweeten the deal and doesn’t report to your personal credit reports unless you default.

Brian is right on; Marvin Integrity is an excellent choice - it's firber glass, which is superior to vinly in many ways.

In many rental areas were all our brothers and sisters are buying cash flow rentals outside tankless water heaters would be stolen just like condenser units LOL My parents just did a new build w/ tankless outside also (in a locking closet), it's nice.... but not sure these types of upgrades fit a"4-plex, C property, 2/1, built in mid 60's on a slab with very little insulation" and "I understand you get what you pay for, and I plan to retire with these apartments, but just going back on my own with my property management company, I need to be very cost conscious.

@Nefertari McClarity Fasttrack remodeling has an excellent reputation for both quality and speed.