My only thought would be that you are using the same parcel for the 4 units, possibly defeating the ability to claim each unit as an independent dwelling. 

Each deal is different and they should be analyzed independently.

Unlike some "consultants" or "brokers" who seek to enter into site marketing agreements, we actually have capital and have the full capability to build sites and manage all communications infrastructure for a property owner.Each site is very specific and should be vetted independently, but hopefully this information is helpful.

Find a broker (independent) that can write their policy and you will likely find a reasonable rate.

In my case the daughter was POA and independent executor so things weren't held up much.

Bob Stewart's presentation on local market statistics was awesome - and his promise (since fulfilled) to provide the data every month is exceedingly helpful.  

Set-up an MLS auto-update and be the first offer in.   Depending

Unless your scale is so small as to be statistically insignificant, it's not realistic for any business to expect 100% capture rates.

Millennials are statistically a renter class, and about 1/4 of the total population so renters will be there.

Remember, you aren't an employee, you are an independent contractor in the real estate business.