Figuring out the true cost will heavily depend on the type of dig down, depth, and total square footage. 

Quote from @Scott Tennell: For real estate investors who have worked with private money lenders, what strategies have you found most effective in structuring deals to ensure both parties are protected and the funding process runs smoothly? 

The only solar people who even talk about electric costs are the lease people with escalating costs.

I would suggest you up your rate from 8% to 10% to help off-set some of that cost. 10% is doable all day long here in Texas.

A post on recapture.People are concerned about recapture when they cost segregate their improvements and for good reason.Recapture is real, and those deferred taxes will need to be paid.But fear not!

Here's an article with FAQs including the cost of a study.

Cost per lead (CPL) is crucial—it shows how much you're paying to get a potential seller or buyer’s info, and you want this as low as possible without sacrificing quality.

I imagined that to mean that a 1920 home with no renovations would cost more to insure than one updated to 2024 specifications.Is this something that is just "known" to flippers/renovators and I am just coming across it?

2.What are the best and most cost-effective solutions for managing this potential long-term issue?

To save those costs, you might want to stick to some year build and older, for example, if you cannot do inspections on the properties that you are buying due to off-market deals or something else that is hindering you (all sellers I buy from do not want anyone in the home till we close).