His average contract value is around 15-20k and his profit margins on these jobs are roughly 50%.I don't have an agency or any sort of business that provides this service.

As an example, I'm personally looking for long term appreciation to generate wealth in the future, because I make money for my day to day expenses with my current job.

I am also trying to figure out what my next job would be.

Not looking to quit my day job, but I go in at 11am most days so it gives me adequate time to analyze deals every morning.  

Under the Tax Cuts and Jobs Act of 2017, interest on such loans is typically deductible if used for buying, building, or substantially improving the taxpayer's home that secures the loan.

For example, I think it would be nice to have a 20 year spreadsheet for LTR showing 2 roof purchases at the 10 and 20 year mark (assuming 10 year roof) and then each system listed with its expected respective replacement year to get a picture of potential capex spikes,This may lend to moving replacements expeditures around to balance the outlay of capex dollars over the life of the property.Thoughts?

Most lenders that offer nice looking terms are just that, nice looking.

Nice to meet you.

So nice to get to meet you.

However this is why it takes most investors a minimum of 10-15 years to quit their 9-5 jobs when they start out because they use the money from those wages to help fund the down payments on the new property.