I think I have calculated the appropriate numbers, but this our first new-build adventure and I would appreciate more experienced eyes on this analysis.We are considering purchasing land in Packwood, WA and building an upscale modern 3/2 1500 sq ft A-Frame cabin.

After conducting thorough due diligence, including a professional inspection and market analysis, the property was acquired for $72,000.Renovation and TransformationThe renovation aimed to modernize the property, enhance its appeal to potential tenants, and maximize its long-term value.

The whole point of having chemicals (and yes, salt is a chemical compound) is to mitigate bacteria growth, it's science. 

It’s not rocket science.

Instead of vague alt text like “Modern kitchen,” try something like “Chef’s kitchen perfect for group meals or private dinners.”

Property management is not rocket science.

Bay windows or built-ins can be a subtle way of blending modern convenience with the character of Ardmore’s older architecture.

This has the obvious weakness of the unknown nature of future cap rates, but that's really the heart of your question here.Estimating future cap rate is part art, part science. 

For both Oregon Coast short term rentals and hotels/motels there is a drastic need for modern and updated hospitality.

Honestly, it is a lot of work, and there are some big pitfalls you want to avoid, but its not rocket science.