New HVAC, plumbing, electrical, floors, kitchen, baths & added a deck. 

No foreclosure or court action required.3.You might also consider depending on where it is, no electrical or lighted signs if that might be a consideration to you. 

China has cheaper labor, almost no EPA constraints, far cheaper electric power with their new Dam, etc.

Updates of heating, adding cooling, and electrical.

For the first part of your question even if you were working with a realtor, I don't personally know many that have a true pulse on rehab costs and I wouldn't make any investment decisions based on their rehab cost projections.My suggestion would be to study how to evaluate the Big 6 rehab costs: roof, siding, windows, HVAC, electrical, and plumbing. 

Covid related supply chain- We had a project where we needed a 300 amp electrical service. 

Electric, I have no idea…I don’t want to turn on the utilities, leave for the night and the place is either burned to the ground or flood.

We have also completed some exciting improvements including retyring a boiler for heat/cool ductless mini-splits and 9 units being electrically updates.

Don't forget about paying to start electrical, gas, water and internet services.

Costs have escalated sharply, water up 25%, electric up 30% and natural gas up 33%, and at one property insurance went up 400%.