Does anyone have any referrals for a plumber that can replace polybutylene water lines in a house, and then possibly a recommendation on a contractor that can do the patchwork after the job?

Can't find any reviews online on that.

I suppose I could update it to work on real estate, but I am no AI expert.

Unfortunately, I think you should eat the cost on this.If you have a door that can lock, you should provide the key.

Depending on the price point, they may already be running targeted ads in cities/metros for buyers that may be looking for a second home/vacation home.

Feel free to keep us updated on your findings here.

Here is a recent bulletin from PSI with more information on the exam & requirements for becoming a broker. 

Stay disciplined and avoid rushing into deals without thorough due diligence.Resources for InvestorsIf you’re new to investing in distressed properties or looking to expand your portfolio, consider leveraging resources like:Local Realtors: Realtors specializing in distressed properties can assist in locating off-market deals and navigating complex transactions.Community Forums: Attend a local investor meetup or join online forums for the Phoenix market.Educational Tools: Search out webinars, workshops, or courses on investing in distressed properties.Final ThoughtsThe distressed property market in Phoenix is creating some excellent potential for the right investors willing to go the extra mile necessary to take on strategic risks associated with this category of real estate.

Can you speak on how you source granite slabs cost effectively?

If you aren't planning on ducting, then mini splits can be the way to go.