Something that we value tremendously (regardless of the appraisers opinion ) and are working on adding an off grid hot tub, outdoor sauna with water side jungle-gym.

Buying on market and doing expensive GC run rehabs you will be under water faster than the people on the deck of the Titanic as it was sinking.I pivoted my methods for generating short-term cash based off of the 50 deals I saw close up. 

Plumbing: You will almost certainly need to connect all drains to the sewer and bring in water lines.7.

I paid him via Zelle.The next guests said there was standing water in dishwasher on checkout day.

E.g. what is the RUL (remaining useful life) left on the roof, HVAC, water heaters, etc...In general, I use 3% for maintenance and 3-5% for capEx.

Not on a highway, not a ton of stairs leading to the front door, not a house that takes on water when it rains, you need the right house. 

Its important to identify property where meaningful appreciation can occur fairly quickly otherwise you are essentially under water due to the transactional costs.

In Greater Boston, keep it simple: target 2–4 units near strong transit and hospitals where rents stay resilient, run real comps and conservative rent assumptions, and factor taxes, water/sewer, and winter maintenance so your numbers are honest.

Put 1 inch soapy water in the bottom , left filter in and spent 2 hours sucking up bees .

If the number are close[100k or less], do preemptive due diligence [water, sewer, stormwater, planning and zoning] if the property is considered for a new build development situation.