Payment of x for first 3 year then increase to z yrs 4-8.The possibilities are literally infinite.

Just one of an infinite number of unexpected issues that can come up and cost tens of thousands.  

Now receiving an infinite return rate.

Hence the term "infinite banking" concept.

Ultimately I achieved an infinite return on my investment: without having any money in the deal I flow roughly $450 monthly and have around $100K equity in the property.

Investment Info:

Single-family residence buy & hold investment.

Purchase price: $134,000

Cash invested: $44,280

This was a perfect house hack with buying a home as a primary residence using a 10%...

I shoot for 30% to 40% (cash flow plus equity growth) and am trying to push that up to 100% (or infinite) like the master, @Joe Villeneuve who would buy that house for 20K, put 15K into it, have it appraise at 50 and refi out his entire 35K investment so that he has no money left in, cash flows, and has his cash back to do the next deal.

It gets infinitely harder when you invest out of state as a novice investor.

The present value of the new depreciation will outweigh the benefit of infinite tax deferral for some sellers. 

Infinite returns.