I have had a different experience with TI.
Initially, I found it interesting and relatively easy to do, especially as I learned to use a bit of discretion as to which trades to take and which not to. In that regard, I only use a trend filter - in a strong uptrend, I only take longs etc, while if there's no trend (as evidenced by TI's 2-3 pt range restriction and/or my ADX(14)<20) I stay out.
Then, I started going for only two successful trades per day (3-4 pts/contract) and stopping for the day after my second failed trade - and got almost all winning days (only one stop out for the day in about the 4 weeks after started doing this and was keeping detailed data.)
After that, I had someone develop for me a TS tool that shows the TI signals clearly on the screen, and also sounds a (pleasant) alarm. That cost a few hundred $$. I did it because I had started combining this type of trading with others, like using KwikPop, and wanted to keep the trades separate. That works beautifully, as I don't have to squint too much in front of my screens any more to catch those divergences.
Always a peripatetic trader, I now trade mainly a couple of other methods, but on one of my screens I always have my own version of TI, because I trust it, and take the first couple of good trades every day.
Bottom line is the TI folks took my (considerably less than $4K, btw) money and gave me a well packaged technique and corresponding support that has brought me confidence and a lot more than that initial amount. Was it worth it? In my case, yes. Will it work for you? It depends on your personality, eyesight, patience, and trading experience because TI is not a black system, you have to use some discretion, as they themselves say.
Imo, especially compared to some other crap I've spent more money on and got nothing to show for, the TI system is great, because it actually works, if you can stomach taking reversal (uncertain) trades. However, most people are much more comfortable with following the trend type of trading, which is more intuitive and easier to start with. Again imo, that is the most significant determinant of whether someone will be happy with TI or not.
Oh well, another key here is the fact that I'm an optimist, always looking for newer and better tools and techniques, while I'm working on my own version of the Holy Grail

... Getting real close
