The impact on the cash flow is minor and we have no risk of refinancing issues.7: This only works this well in our super low interest rate environment and the appraisal meeting these specs (5-5.5 Cap)8: The funds are returned as a LOAN not income- and if we do it right- the investor rolls into the next one.9: Note- our model is a 30/70  We get 30% of the project putting it all together- the other 70% is what is invested.  

Maybe you find a company willing to sell you one of those solar panels charge batteries type systems on trailers.

It is non-linear, meaning that small homes have a much larger $/sf factor than larger.Yes, you should see a higher price for more acreage and a garage, but there are so many other factors to consider:Style, Age, Specs - location, condition, beds, baths, basement type, foundation type, sq ft, acres, local conditions like noise sources, flood zones, school zones, proximity to airports, gun ranges - that list goes on and on.

Along with make sure the battery in the smoke alarm hasn't been removed for a kids toy (I use smoke alarms where the battery is enclosed and cannot be removed).Some tenants complain about these checks, citing they are "invasive" and disturb their peaceful living situation. 

I like the specs of Buildium, especially since it provides an easy way for tenants to pay rent with minimal fees but that type of software seems like it might be overkill for just one property.

Are the kitchens remodeled to similar spec?

Today, 3 new spec homes have been built and sold simultaneously for $350,000+.

I considered selling it but finding a house with similar specs puts us back in the 450-500k range and i figured a 347k loan looked more attractive, plus its a house we like.

Austin's first 'Tesla Solar' neighborhood explainedPanels, batteries coming to new homes in Easton Park master planned communityThe Article reports on a new partnership between Tesla Energy, Brookfeild Asset Management and Dacra.

Filters, refrigerator filters, batteries for smoke detectors and fan remotes, light bulbs, etc.Your list is pretty thorough though, I'd only add to make sure you're doing a semi-annual HVAC maintenance.