Building plans are 'instruments of service' not products.

Two of the books that have helped me when I was in your position are Start with Strategy - https://store.biggerpockets.com/products/start-with-strategyThe Book on Estimating Rehab costs - https://store.biggerpockets.com/products/the-book-on-estimat...Since you like the podcasts - these are available as audio books and broken into audio chapters so you can listen just like podcasts!

I'd like to start with flushing every few years and replacing the anode rod every 5 years or just once with one of these powered rods.I am skeptical of the very positive product reviews since the review really needs to be submitted 10+ years after the installation to be meaningful and they never are.

He built an amazing product and was selling to recapitalize and use the funds for his on going projects. 

Business credit allows a company to borrow money that can be used to purchase products or services.

I did check up on DLP ( goggle search)  because this peaked my interest .. they have large Internet presence.. they are a brick and mortar RE brokerage with about 30 agents then they also have a Hard money company.. and it looks like they just decided to add this JV product to their menu...

The past couple of years as L3Harris has begun to move production/engineering from California to the area (cost cutting measure, not political), we have been seeing 10% appreciation yoy or so. 

I do like Ring as well, but to my knowledge their product line is fairly limited compared to other whole home security systems.

If you don't replace items frequently, the quality of your product decreases quickly.As for insurance, I truly haven't experienced this phenomenon. 

The product is the best in the industry and is worth way more than the investment.