The house was a 3 bed one bath.

I understand that of course that would bring higher paying jobs but how does that drive the housing prices up.

I have 2 options:- finance the construction pre-selling the apt, and take my profits (expected to be around 700K pre-tax); or- finance the construction with a 6-7%/year loan (collateral = my house), keep the 10 units, and once the building is completed in 24 months, rent them for circa 180K/ year gross.

Housing in Washington. 

These are multiple assets of all sorts of things, retail, houses, condos, office. 

I want to refinance it about 12-18 months later into a bank loan. pull out money to pay off the HELOC and enough for a down on a 2nd house or duplex.

An example would be a $100k house that rents for $2k/mo.

., desks and Wi-Fi for professionals, cribs and baby gates for families).Evaluate Your Own SpaceYour property’s layout, amenities, and location may naturally cater to a specific audience.A cozy 1-bedroom apartment downtown might be ideal for professionals or couples.A 3-bedroom house with a yard might appeal more to families.Proximity to nightlife might cater to party groups.Experiment and AdjustIf you're unsure, start broad and monitor who books your property.

I’m currently in the process of searching for my first property, which I hope to house hack and eventually convert into a long-term rental. 

Quote from @Vanja Dimitrijevic: Hello, I've been researching BP podcast and resources and am looking into buying another property to downsize from the current one but wanted to use the equity in my current house to purchase a new house in the area.