The laws,  including the recently passed washington 'just cause' rules do allow for giving a tenant notice to vacate if you are going to owner occupy,  or for substantial rehabilitation  (meaning necessary work will make home uninhabitable, and typically also means permits must be pulled for some aspect of the work;   paint and carpets doesn't count)   But keep in mind COVID moratorium rules and still in effect  though  (in theory) they are phasing out.    

I would like to echo James that due diligence on the property/neighborhood is the most important aspect.

I like having more doors under 1 roof.

Roof, floors, hvac, appliances, hot water heater, exterior painting, bath and kitchen remodels, etc.

I purchased this house knowing that the roof needed to be replaced.

Needed a new roof, portrait window, cabinets painted, and vanities.

Needed a new roof, portrait window, cabinets painted, and vanities.

I am completing a live-in flip on an old house with a flat roof.

However, from a logical aspect, simply calculate take home return on equity.

We both do plenty of on our own things, but he'll send me something to fund and he'll manage the 'boots on the ground' aspect.