HODLing until reaching $100k is one of the reasonable acts I think. There has been another great run in the market now. Bitcoin price seems like capable of reaching a new ATH level even in October. $100k target is not just a dream for this year but it is not easy to achieve also. But sooner or later especially with a bull run, I think that it will come true.
That's subjective, some people out there will find it ridiculous especially when the prices starts going up again and we see another all time high albeit not 100k. You're optimistic but the problem is that you're ignoring the uncertainty of the future, what if along the way, the prices starts going down or there's a news that heavily influenced the market in a negative way.
I'm not ignoring the uncertainty of course. If I did, then I wouldn't make any investment into Bitcoin blindly.

That would cause me to lose a lot of money easily probably. I'm just hoping to see the $100k in this year or early in 2022. This rally may not continue until the end of the year. But if we see a new bull run in this year, then it will help this target be achieved much easier.