With Google, Yelp, Facebook reviews as well as what is on their site and what type of content they are posting on their social media pages....

Your account with hundreds/thousands of reviews is the biggest asset!  

This contractor has 0 reviews on yelp which I found a bit sketchy, but was able to vet him by his contractor's license, worker's comp, and by visiting some of his ongoing projects.

Personal reviews can help bolster your online presence as well...that doesn't have to just be from real estate clients. 

I never go off of a flat percentage on anything, I analyze the costs to get to a specific return I target and analyze the risk that is involved. 70% may be an initial metric to see if it is even worth pursuing, but every deal should be evaluated independently based on costs, time and risk involved.

Confirm with the solar company if the loan is transferable and review terms carefully—it’s a potential hurdle with lenders or resale.A DSCR (Debt Service Coverage Ratio) loan might be an option since you’re focused on rental income.

I concur with @Patricia SteinerIt's essential to review your lease to check for any clauses related to pest control.

Here's what they returned:The San Diego Housing Commission (SDHC) has completed its review of the items you raised in your appeal of the initial determination that your application was ineligible for the City of San Diego COVID-19 Housing Stability Assistance Program. 

While both involve finding and properly securing a site and bringing it to full entitlement, the ground-up process includes the land piece but gets way more involved and complex to execute.The full "Monty" for ground-up development needs to include financial literacy, an explanation of metrics, and how they work.

In review.