I would also give them 24 hours notice of your intent to inspect the rental for potential water leaks, toilets that flush, etc.

Check to see how much the HOA has in reserves because that might allow you to adjust your capex budget down if they are flush and recent improvements have been made.2.

They flushed the line with a hydrojet and sent a snake in there, and they think there is an obstruction or broken pipe in the system. 

Be sure to flush the toilet as well as I've seen the tanks crack from ice. 

Take note of:SidingTrimGuttersRoofHVACPlumbing (flush a toilet or turn on a faucet)FoundationPaintKitchenMoldWindowsInsulationEtcThe more homes you look at the more things you will be better prepared to be aware of.

I can easily do slab with a drop-in sink and slab with an flush-mounted apron sink is just a bit more difficult, but still manageable.

This is because some tenants are flush with tax return money and it's a good time of year for tenant turnover if a tenant decides they can't afford the new rent.

A toilet is about $200 and takes 45mins-1 hour to install, and has a higher chances of being installed incorrectly because you have to swap the wax ring and seat the new toilet on top of it correctly so it doesn't leak when flushed.

It appears that CA just flushes it all out to sea just like a 'turd world' country.https://ktla.com/2019/02/05/baby-diapers-syringes-and-furniture-are-washing-up-on-socal-beaches-after-days-of-heavy-rain/

Tenant  was complaining the crapper wasn’t flushing right so I had my handyman go fix The old toilet and he cleaned crusty poop out from under the rim with his hands while the tenant stood and watched .. he got the pressure working and flush returned .