They are saying an 8ft pipe is what needs to be installed. 

Many investors are DIY Landlords who know very little about how to manage their property.

I’ve seen shingles installed upside down.

If you have a kitchen that has a ton of counter space I'd skip all these methods and just measure.You'll need to remember to add the price of a new sink, fixtures, and plumbing it.There are a few places in richardson off of Central Expressway that will do it installed for mid-$20s.

He also detailed the pros and cons of DIY, handyman work, and hiring a true contractor.

The last one is replacing a hot water heater that was there since 2007, which was done, $3k for an electric water heater install.

It involved installing meters inline that reported wirelessly to the internet and allowed you to bill each tenant.  

I have an Off-Grid cabin.....we use a well and solar (that I installed myself).

Service was to clean/service the boiler and install a new boiler gauge. 

(you may already have this available)17) Smart lock install (helps owner and your company to be more efficient and secure)18) Rent guarantee programs (requires agreement with service provider - I'm personally not a fan of these, but they are available on the market) There are others, of course, but these are "up and coming" types of additional services PMs can offer to owners.