They did some leg work.

If I secure renters and show a lease agreement and deposit can I get into lower interest rate mortgage?

If your property is the only one without a driveway, then yes, it may lower your ARV.One of the properties I own has a neighboring property that is the only property in the area without a backyard and without a driveway, and it is fairly lower than all the neighboring properties, although it is nearly identical in structure.

I think the economy has a number of diverse employment options, lower prices than King County while still being within driving distance.  

Be mindful of short-term capital gains tax, as profits from flips held for less than a year are taxed as ordinary income, and frequent flipping may result in self-employment taxes.While profits from flips do not qualify for 1031 exchanges (since flips are considered inventory, not investment properties), you can minimize your tax burden by deducting allowable expenses like renovation costs, loan interest, and holding expenses.If you're considering diversifying into rentals, explore opportunities to benefit from long-term tax advantages such as depreciation and lower long-term capital gains rates.

With how much equity you have in your primary if it was me I would think about doing a cash out refinance for the whole thing as rates would be lower.

New resident in September for $95 lower rent.

I'd see how next 2 weeks go before lowering the price.

All of thoise are more expensive to install that electric baseboard but have much lower operation costs. 

.✅ Lower Vacancy Risk – Losing one tenant doesn’t mean losing all your cash flow.✅ More Affordable for Renters – Competitive pricing attracts a steady stream of demand.✅ Built-In Community = Lower Turnover – Tenants stay longer when they feel connected.✅ Allows You to House Hack a Single-Family Home – No need to compete for pricey duplexes and triplexes!