This usually entails the exchange of information between parties involved, so no party is solely the receiver or discloser.Pros and cons of non-disclosure agreementsNDAs help put parties at ease to negotiate freely with access to full information without worrying about information leaking.

Rates will be more volatile and going into a cycle of rate easing by the FED's these rates are set to drop soon which could cost you in interest earnings. 

Ease of taxes (added to your personal return)4.

"for $___/year, we provide "x" additional inspections")6) Liability policy that covers tenant intentional damage, criminal acts, and unpaid rent when skipped or evicted (through insurance provider that provides this kind of coverage)7) Financial reports per quarter (as whatever period makes sense to you) (this can allow you to advise the owner on the health of their portfolio)8) End-of-year review of the property to show conditions and suggested needed and preventative maintenance items 9) Preferred vendor discounts (requires a contract with a vendor to give better pricing)10) Eviction protection programs (this is usually done "in house" when you have sufficient number of units under your management to be able to offer this kind of program)11) Legal services (requires agreement with landlord attorney to provide those services at set fees)12) Professional photos option (for enhanced listing)13) Professional, licensed home inspection (this is more relevant for older homes to ensure safety and habitability are addressed) 14) HVAC filter replacement program (this can also be a program offered to tenants)15) Pet and ESA screening through pet screening vendor (helps to streamline and increase quality of screening)16) Client portal account for ease of communication, updates, reports, etc.

Offering a gradual increase or some incentives can help ease the transition.

For re-sale and ease of financing (for developer and next buyer) two larger duplexes would be my suggestions.

I would recommend no more than 4 for the first, just for the ease of financing and getting the best terms until you're more experienced in this area. 

Does anyone have experience with owning these types washer/dryer machines that use the QR code/coinless and ease of use and reliability?

I'm having a weird feeling due to the ease, the really good terms and the fact they aren't putting liens on the properties.

I can do a running list of all the major flaws in this thinking but for ease I will start with one of the biggest ones.