HODLing and DCA are the best strategies. As Warren Buffett says: it's not timing the market. it's time in the market what gets you rich.
How many rich traders do you know? None
How many rich long term investors? Many
Bitcoin could well hit $1M in the next 10 years, that's only a 20x from here and it has done 10,000x so far.
Shitcoins won't make you rich. Focus on Bitcoin and maybe a few others in the top 20. Forget the rest.
You don't need to exit, bitcoin will continue to go up forever. It's the best store of value, the most secure network, the most scarce. When you find gold you never sell, that's how the rich become rich.