I am having a sewer line repair company come out and give estimate to repair vs replace. 

I would say a common error that people make is underestimating the cost to fix or repair something.

Renovated with cosmetic updates for immediate rental income, it offers strong cash flow while preparing for more extensive repairs and the addition of an ADU.

The trifecta is making the owner and property manager happy, compensating for the extra risk, issues, and potential repairs, and encouraging the resident to limit the number of pets and be sure they are not damaging the property. 

If the existing ceiling paint is damaged, the ceiling must be scraped, repaired and painted.

I think this would make sense in the long run for the rental property as it will extend the life of everything it touches like the Sink, faucets, showers, water heater, dishwasher, and Clothes washer while also providing clean drinking water in addition to the reverse osmosis drinking water system I already have installed.The main problem with this hardness level is that we get a major deposit buildup on all of these items, which will eventually clog up the faucets for tenants and lead to rusty shower enclosures that take forever to clean.In addition to this, it looks like we could likely have the salt added every couple of months by the property managers in addition to that it would allow for a quick inspection from them, and then also we would instead bill the cost of the service onto the ledger for the tenants.For reference, it does not look like the landlords in the area have water softeners.Thank you everyone for your input ahead of time.

Overall, it can be a profitable business, but most people get into it to become an investor and 99 percent fail right away because they don't know the slightest thing about repair costs, talking to sellers, and are only in it for the money and not to help people.

What that means is that if you win, they let you win and they didn't want the property of they bid you up.These are the basics, but I think you were way ahead knowing it's not ripe to be an acquisition pipeline.

Am I wrong for wanting to see when my places get booked and how much they got booked for ahead of time?

Because of this they never charged market rent, so never had money set aside for capex or repairs.