Thank you all for your replies and the ongoing discussion. I feel it might help to clear some things up if I expand on my proposed strategy.
My thinking is that, where the price is now (between $80K-$100K CAD), I'll most likely just hold what I have.
If and when the price climbs above $100K, I'll start selling in increments at 1 or 2 week intervals, based on what the current price is:
0.01 when BTC is between $100K-$125K CAD
0.0125 when BTC is between $125K-$150K CAD
0.015 when BTC is between $150K-$175K CAD
...and so on.
That way, if the price doesn't go much beyond the previous ATH this bull season, I'll still be able to hold most of my BTC through the next bear market and into the next bull market. Conversely, if it does go way beyond the previous ATH, I should still have BTC available to sell in that point. I'm trying to be prepared for each eventuality. I'm wary of selling too much in too few increments only to run out of BTC and see the price shoot past my ability to take advantage of it. If, on the other hand, that means that the bull market ends and I still have most of my BTC, then that's fine, there's always the future bull markets.
Also, in the event that the price drops down again, I'll stop selling and DCA back in. I don't intend on selling anything below $100K CAD. The overall value of my BTC is already significantly higher than what I've paid in so far, and I'd like to keep it that way. I'm not going to sell anything at a loss.
My only personal experience of a previous bull market was in 2021 when we saw 2 separate ATHs. So if we experience something similar where the price surges for a while, then dips back down before surging again a few months later, I'll match what the market is doing on a weekly or bimonthly basis. While it's up above $100K CAD, I'll sell in increments based on the current price. When it drops back down below $80K CAD, I'll go back to buying at a certain $ amount. Between $80K-$100K, I'll hold.
I hope that clears up some confusion.