They also have the right to screen potential tenants and establish their own rules and regulations, such as pet policies and late fees.

Such as a private backyard, the ability to have pets where many apartments don’t allow them.  

Allowing pets definitely helps.

I uploaded a pet addendum to apartments.com, asking her to fill out, along with a pet deposit.  

WHAT IS YOUR NICHE(1st time buyers, retirees that plan to age in place only needing something small or growing active family & pets-Who are you marketing for?

I think tenant's are looking for 6 or 7 things when deciding to rent a property; price (what you get for rent), pets, parking, location, layout, laundry and sometimes a place to play outside/barbecue. 

Think of all the things that could go wrong and see if the lease addresses them: unauthorized pets or tenants, early termination, security deposit, lease violations, late rent, eviction, lawn maintenance, parking, etc.5.

Also a pet has damaged door frames and window blinds.

A plumber wanted somewhere between 4k and 5k for the job.Now, it could be something as simple as a leaky gas pet **** by the stove, the older ones dry out and develop leaks, a super cheap fix and maybe the guy that said it's the stove is in the wrong. 

Examples include: marketing, application screening, collecting the deposit, signing a strong lease, late rent, unpaid rent, unauthorized pets or animals, etc.Here's my basic beginner advice: 1.