To succeed, focus on properties in high-demand neighborhoods like Pecan Grove or Aliana, and ensure your cash flow analysis accounts for high property taxes, potential HOA restrictions, and flood insurance costs.

Water meter-water company.  

Then wherever the water is getting discharged off of the roof, that what water is getting at least 4-5 foot away from the structure before it is left to drain with gravity away from the property. 

What if you turn on water and it goes everywhere.

Only text if they’ve opted in.Don’t Overdo It: Keep it respectful don’t flood them with texts.Follow the Law: Make sure you're following the TCPA and any local rules to avoid fines.Basically, get their okay first and always make it easy for them to stop hearing from you!

Baselane is doing the samething, it gets flooded with promotion on these platforms.The said CPA or his team actually got my client into trouble with the IRS.

And I will state different jurisdictions have different rules, processes, expectations, etc.In my area you are required to have a permit to swap a water heater.

Then interview them.Now, let's look at your issues:1) How did replacing a toilet result in a burst pipe and flood?

Quote from @Aaron Wolman: I would call the companies (gas/water/electric) to get estimates, or an estimator out there.

City water with one main at the street and how will they bill.