@Nick Gupta exactly in your same boat, with a little bit more savings coming in on a good year.
I have done your exactly same progression of thinking. When I started studying, the TK options seemed like the best, I was so thrilled to have found out that alternative.
However, after researching much more on the topic and going through the exercise of evaluating a few deals, I came to the realization that the way to have a profitable passive investment is to assemble your own team, and buy yourself at a reasonable price, whenever a deal comes through. Otherwise, you're only banking on appreciation to offset the losses you'll get when you want to exit (and they'll eat into your extremely thin CF margin you built up over the years), and typically TK providers are in very stable markets, where you can't exactly count on that either.
I keep researching, but until then I'm sticking to 30% of my portfolio allocated to REITs global index funds (100% passive and 10% return over the past 5 years). Downside of that is you're exposed to the volatility of the stock market.
The next thing I'm going to research are syndicated commercial deals, it seems like with the right network of sponsors it should be feasible to achieve double digit returns in a completely passive way.
If/when there will be a market correction, I will be looking into buying SFR in my backyard (Northern CA) so I can assemble my team through BP references and always be within driving distance in case something happens and I have to manage my own investment. That has the potential for being a very financially rewarding strategy, because you can stay on top of everything and you'll have so many tax benefits.
It's probably not what you wanted to hear but after a couple months studying it's a pretty realistic vision at this point :)