What are the best practices on amounts of leverage and reserve cash?

You can search by practice areas (real estate, bankruptcy, etc.)

I'm here really to learn more about that, and also long term rentals and best landlording practices - two things I've not had experience in.

It's just that the laws cover some things that seem like an innocent practice that are covered by specific laws.  

Ok, now that you have taken your initial step, below are some quick links to get engaged.Since your profile mentions your involvement with flips and wholesaling, I added the below links for your review and to boost your practical knowledge.http://www.biggerpockets.com/renewsblog/2014/01/07/flipping-houses/ (step by step guide to flips)https://www.biggerpockets.com/renewsblog/2015/01/31/ultimate-beginners-guide-real-estate-wholesaling-2/ (Ultimate beginners guide to wholesaling)https://www.biggerpockets.com/renewsblog/2014/10/09/getting-started-real-estate-wholesaler/ (BP Podcast 091 Wholesaling)https://www.biggerpockets.com/renewsblog/2013/10/31/wholesaling-podcast-mike-nelson/ (BP Podcast 042 - wholesaling)https://www.biggerpockets.com/renewsblog/2013/08/15/wholesaling-business-lamar-cannon/ (BP Podcast 031 - wholesaling) http://www.biggerpockets.com/startherehttp://www.biggerpockets.com/meethttps://www.biggerpockets.com/alertsHow to Use @Mentions on BiggerPocketshttps://www.biggerpockets.com/ruleshttps://www.biggerpockets.com/termshttps://www.biggerpockets.com/inviteshttps://www.biggerpockets.com/perkshttps://www.biggerpockets.com/forums/categorieshttps://www.biggerpockets.com/courses/a-beginners-introduction-to-real-estate-investing (video courses)https://www.biggerpockets.com/real-estate-investing (Ultimate beginner's guide to REI)REI can be very daunting, but, before you go searching for that 1st buy, please take a few minutes to bone up on the tips in link below.https://www.biggerpockets.com/renewsblog/2014/12/19/real-estate-investing-success-smart-tips/REI books suggested by BPershttps://www.biggerpockets.com/renewsblog/2015/11/13/7-real-estate-books-beginner-investors/ (7 absolute must read books for beginner REI)http://www.biggerpockets.com/renewsblog/2013/04/14/best-real-estate-books/?

I found the reviews on support range from excellent to practically non-existent. 

It allows me to aggregate data on what is going to auction and couple that data with notes from our drive by, property stats, delinquent property taxes, info from bankruptcy court, the title search, our valuation, maintains the sale calendar, and practically eliminates human error.  

I would recommend speaking to a practicing real estate lawyer first, and finding some that are willing to work with wholesalers.

IE just flips it within I think its 24 months there is a formula were your suppose to give the Trustor a portion of your proceeds.Now in practice I am sure you can guess how many people do it.. 

Violation incurs not only penalties under the Property Code (return of all payments made by the buyer including monthly payments) but potential liability under the dreaded Deceptive Trade Practices – Consumer Protection Act ("DTPA") which can involve treble damages plus attorney’s fees.