These start failing after 50+ years, causing lots of backups and problems.

for me  a handful since early 80s  now in those days I was ONLY buying land that had owner contracts on them. 

This is much lower than the costs associated with refinancing.Benefits of Mortgage RecastingLower Monthly Payments: The most immediate benefit is a reduced monthly payment, which can free up cash for other financial goals.Save on Interest: By reducing your principal balance, you’ll pay less interest over the life of the loan, potentially saving thousands of dollars.No Credit Check or Appraisal: Unlike refinancing, recasting doesn’t require a credit check, income verification, or home appraisal, making it a quicker and simpler process.Keep Your Current Interest Rate: If you have a favorable interest rate on your current loan, recasting allows you to maintain it while still lowering your payments.Drawbacks of Mortgage RecastingRequires a Lump Sum: Not everyone has the cash on hand to make a significant lump sum payment, which can make recasting inaccessible for some homeowners.Doesn’t Shorten Loan Term: While your monthly payments are lower, recasting doesn’t reduce the length of your loan.

I started out with little to nothing when I was in the Army and building up properties slowly. 

Will start to investigate those areas more I’m also interested in looking into areas like Sharjah and Ajman.

I started by patching about a dozen (not small) holes in the wall, re-doing all the drywall in the bathroom, installing new shower plumbing, putting in recessed lighting, installing seamless LVP throughout, texturing/priming/painting all walls, installing new 5 inch pine baseboard all around, and installing custom bathroom vanity/pantry cabinets, and hanging new custom shaker doors in the kitchen.

My brother and I have decided to join this community in hopes of getting a good start in the world of Flipping. 

I would look at multifamily meet ups in the area to start.

How long are you usually spending on prep before you hand it all off to your CPA?

Is it possible to start to realize the loss on 2024 taxes?