First, there are so many different strategies (each with their own different risk/reward) that there is no one single answer.

For all its garbage filled yard and filthy outside, it has charm and a good location.  

”Continuing on…And while the other guy is showing her these picts apparently he has her sign up for some “Rewards Membership” monthly subscription for preventive maintenance.

By focusing on the quality of early adopters, rather than just quantity, we ensure that new members find a platform already populated with valuable connections.We're also implementing a referral system that rewards our early users for bringing in their trusted contacts.

What is great about finding people to help you build your business is that the more you reward them the more they will likely contribute.

And this one is a bit more charming. 

Due on sale clauseI would like to hear people's opinions on this strategy if the risk/reward is worth it or to steer away

And yes, it's been both rewarding and challenging to live in a home with a rotating cast of renters.

Many of the houses are so charming to me.

There's no right or wrong answer, just a balance of risk and reward.