Unless you're prepared to be putting money into your investment every month indefinitely, waiting for the uptick in rent and appreciation, I think you'd be better off looking for another property. 

While agree that the vast majority of syndicators and fund managers allow investors to stay in the deal indefinitely (until it is ultimately sold), after they receive their principal back, there are actually a small number of syndicators who buy their investors out of the deal.

I know my partner is bringing in 20% (approximately $40k), but I'm also spending valuable time and money acquiring the deal and carrying the debt in my name indefinitely, which is worth a lot in my opinion.Anyway, I am new to forming partnerships so am looking for experience from others who have walked this path before me.Thanks in advance for any advice.

Only two years ago I had a mountain of debt, credit/collections issues and was living out of my car making less than $500 a month.

I'm here on a work visa that i plan to renew indefinitely but it is a problem for some lenders.

I have a location concentration risk.)I have separate savings that can keep me running effectively indefinitely, but I don't want to rely on that. 

If not 100k for an indefinite term, then 100k for a lease term.

Since you always have costs on keeping property, I'm not sure it's a good idea to count on such properties to keep doubling their value every 10 years indefinitely?

Prices cannot continue going up indefinitely, so if a peak hasn't yet passed it'll happen soon enough.  

Appreciation plays are purely based upon the expectation that a particular area's population will continue to grow indefinitely.