If you dream of owning on the Coast be very cautious of regulations against STRs, most communities are not STR friendly and some towns have revoked STR permits (lawsuits galore on that), so talk with an Oregon Coast based agent who KNOWS STRs or you could end up with an investment you can't rent and just have to wait out all the expenses of ownership until the appreciation kicks in.

HI Mariya, My team is based in Orange County.  

Dwayne,It is unlikely that anyone can give you an accurate comparison based on just the info you gave. 

. $10k for a roof (at least here in my area) would be pretty low for most triplexes unless its a small area and no gables/valleys et) A new sewer line to the street often based on total length.

Within the nonQM space there are products like DSCR, bank statement loans, P&L loans, asset based loans, etc.

Those use a AVM based off Zillow or electronic records on file.

So the amount will vary dramatically based on the home price. 

The 5 year proforma by DEFINITION is based on a whole slew of assumptions about a whole host of issues in the future - national economy, local economy, interest rates, cap rates, rental rates, political and geo-political factors.

I'd assume the tenant base is mainly nurses and professionals.The other option is to do a 30-day minimum on Airbnb, who collects a 3% fee, but handles the rest.

Sounds like it's been vacant for a while based on your narrative.