I am wondering what the best software systems that are available to list my property on to get tenants, screen, application... etc. 

Loved* That Respose     What is another Software you recommend, free/paid?

The more you customize the software, the harder it is to maintain and you end up with vendor lock which in simple terms you are at the mercy of your developer(s) as they are creating custom code that is difficult to maintain without them. 

FULL-SERVICE OPTIONA servicer offering their full services usually charges from $75 - $150 per loan per month (pricing is usually different for non-performing and performing loans) and performs the following tasks:Boarding of your loans – The servicer will enter all the necessary information about your loan into their loan management software.

Based on the interest rate and 139 months of payments left, he determined that he would sell the note for a discount at $450,000.  

And there’s nothing stopping you from asking for a price discount.

I see your next availability is mid August, so I would expect to see more inquiries in the next 2 weeks.The low amount of direct inquiries from Furnished Finder is normal as well, from our experience with 25 properties.I don't recommend the discount for first 3 bookings if you're doing MTR, that can easily be an entire year of bookings discounted!

My degree may not be my passion, but I know it will provide an income that I can leverage into something else (I've already started working).Currently, I am living in a home owned by a relative, and my rent is impressively discounted.

I'm not seeing any discounts now vs what there was in the past.Want a discount....do much of the work yourself....don't waste my time. 

these Guru get rich because most of us want to get rich the easy way and they sell us the solution. so don't feel bad about it, he supplied you with the software brother find your own deals...and Good luck brother.