However, you need to abide by the rules for identifying the replacement property (45 days) and closing (180 days).

It looks to be in descent shape, I'm just wondering down the road if I have to replace with an asphalt roof - is in considerably more to tear off the slate than a normal tear off of asphalt shingles?

He determined that the backside of the property is in a flood plain and will more than likely need to remove one side of the wood privacy fence and replace with chain link.The thing is that the house is not technically in a flood zone.

Electrical needs complete replacement (wiring, electrical box) but the house has newer roof and appliances (heating and water heater are recent), and the plumbing looks recent, which is all surprising given the state of the rest of the house...It's basically a roof and a brick frame with appliances.

You're essentially buying tenant risk OR relying on your ability to replace tenants with a strong network of commercial brokers.

Both boilers in the house I purchased are older than I thought, and probably need to be replaced in the next 5 years.

I am looking for someone to replace him. 

I replaced the carpet in the bedrooms with a luxury vinyl flooring from a local surplus warehouse store.

HVAC tech thinks the simplest path is to remove the oldest big furnace and replace it with a new small furnace for one upstairs unit, install a second new small furnace for another upstairs unit, then use the newer big furnace to heat the main floor. 

They've been dressed up over the years with new roofs, vinyl sizing, replacement windows, etc. but it doesn't change that they're structurally inferior to conventional stick-built houses of the same age in other areas.