The stuff you can get online is someone else's solution to this challenge or a watered-down document that just covers the basics.Suggest you download several leases for you state and spend a weekend studying them, then cutting and pasting all the best parts into YOUR lease, that you fully understand.

Another thing is that you must have a team around you so you can take clients through the process very simply and seamlessly.

Just downloaded Zillow Mortgage Calculator Dan, thank you!!

Most services I find limit the number of downloads. 

Quicken download all the transaction and asks you to allocate it to the correct property or a general expense. 

@Michael Germano At some point I'll have a download link with a video walking folks through how to use it.For now, I'll just have to send you an email :)

And you've joined one of the best communities for all things real estate investing.1️⃣ Download this ultimate beginner’s guide: https://assets2.biggerpockets.com/uploads/user_file/file_object/1694/UBG_2018.pdf2️⃣ Read BP beginner books on investing: https://store.biggerpockets.co...Also read, Rich Dad, Poor Dad by Robert Kiyosaki3️⃣ Subscribe to BP podcasts or YouTube channel and watch their webinars. 4️⃣ Ask questions here on the forums.5️⃣ Visit (join) a local (and legit) real estate investment association.6️⃣ Consider joining a BP bootcamp: https://www.biggerpockets.com/...I wish you all the best in your investing journey!

At the end of the year download the transaction statement and import to excel most will already be labeled and not need much work.

Buried in the detail provided by MLS via downloaded Excel file, look for the column that shows buyer financing. 

J Massey has a lot of videos on his channel you can view, download, save, etc.4.