There are some other dynamics that also will likely play a factor in making the situation great for investors...such as runup in home prices and interest rates probably created a permanent renter class of society. 

You can have Section 8 renters typically in any area.   

They are faster, won't get lost in the mail, and less likely to bounce.You could have renters set up automatic payments from their bank to yours.

In fact, a bunch of people are complaining that the company they electronically had their renters send the rent to, has gone bankrupt and now they are stuck.

I've been a long-time renter in the Portland, Oregon market and would love to purchase my first house hack next year: a duplex or triplex, ideally. 

I figured he can't claim as a primary residence as a renter even though that's been his only address for 3 years?

It really depends on location, quality of home features, amount of privacy for renters/members, and competition.

Are properties such as this more appealing to buyers with renters already on leases or will I get more interest and a higher sales price if I sell the property vacant?  

These employers frequently attract new residents and create a steady influx of good quality renters and prospective tenants. 5) The Albuquerque metro area and Central New Mexico enjoy over 310 days of sunshine and a mild climate year-round.

Lastly, make sure your tenants have renters insurance to cover their property.