I increased the weekly rent in 2017 and again in 2018 without any dip in demand.

So...ummm...let's play "simple math"...$450K purchase price, 25% down...30 year fixed rate mortgage at 5% on $337,500 is $1,812 per month...So if you have zero vacancy you'll break-even on the mortgage...And then burn money on maintenance, cap-ex (likely very limited), any vacancy, property taxes, insurance, etc.Consequently, you really, really, REALLY need that home price to go up. 

There's been a lot of co-working space coming online but we need to land a few large biotech type tenants down there so it becomes more of a "live, work, play" environment downtown.

If you can get the rent up above $700 then it sounds like a solid play.

If you have an office but play games on your office computer, then you are not using the office exclusively for your rental business. 

A 5 Year old won't understand future value increases with demand....... which is why, if you want to understand it, you need to wait until you are 10 years old!

@Michael Dang Honestly, historical cap rates play minimal, if any, role in my underwriting.

DTI, gross income, credit score all play a factor in how much you can borrow.You may want to reach out to @David Ribardo.

Do not turn over any deposit until they are out and immediately have your lawyer send a demand letter for the keys. 

Let me play devil's advocate...