The vacancy rate, property condition and the market that the property is located in could all play a role.

My advice, go to the Agent's broker, if he doesn't have one go to the board of realtor's and ask for assistance, there are strict rules for fulfilling dual roles in a transaction. 2.

As for the passive role, you have a different model.

It's just there are a lot of less-than-ethical agents out there that have business models designed to maximize profit at the expense of their clients or at least in conflict with the fiduciary role.  

There must be something of value passed to the party issuing the option.A credit for the option consideration can be offered if the TB exercises the option. 

There is no Purchase taking place until the Option is exercised. 

I guess a really good experienced property manager plays a big role here to make or break  a good return of your investment.

Because your cash on cash return is really an exercise in opportunity cost without consideration of leverage and other tax benefits. 

However, take some wholesaling techniques to find motivated sellers or distressed properties you can add major value to that otherwise might be overlooked.Expertise: it's important your whole team understands their role in this process to avoid gaps.

Based on rent roles they were paying on time but well below market value.