Don't get something smaller and lighter.Get a 1/4 in. drum auger snake that's 25 feet long.

Seriously... it's the best thing at Dollar Tree. 7) Check a potential tenants' Facebook page. 99% of the time the page is public and you'll learn A LOT about their character.8) Add to your lease: 'All toilet and drain clogs are the responsibility of the tenant.'

Do a quick walkthrough, are the doors latching correctly, is the basement wet, sinks not draining.

And for all leases no matter the apartment I have included in my lease: "Drain and sink clogs are the responsibility of the tenant" as once I started including that the drain issues went to zero. 

It was cheaper than $4000 for a new septic tank and drain field.

If I am certain that it isn't my problem (ie collapsed drain line or corroded and scaled cast iron) then I pay for the first unclog on a drain and the tenant pays for subsequent unclogs of that same drain.

Zoom Drain quoted me $699 for the snaking alone.

You shall never pour cooking grease or other damaging/obstructing objects down toilets, sinks or drains.

That includes drain cleaning if grease and other stuff is flushed down the drain or cleaning of AC coils for failing to change the filter.

There were two interior violations that have already been fixed-no smoke detectors in vacant unit (because it was being painted), and no handrail on stairs (apparently there had never been one there).The neighbor feels that the downspout in question (with the code violation for needing repair) drains into an underground pipe that is broken (apparently he invited someone onto the property at some point and they used dye packets and his own hose to confirm his suspicion-I tried to called the sewer folks but they didn't feel this is something they would have done), and the water drains through his retaining wall, which he feels is damaging it.