It's not a bad idea to wait for the price ofBTCto drop before buying , but right now it's prudent to adopt the DCA model or method, It's the best thing to do, the price of BTCis rising and will likely rise further and if that's the case, you should still buy, even if it's just a little, the idea is to always follow that little impulse to buy, The more BTCyou buy, the more you'll have You have to see BTC as BTC and not so much for its price, If you accumulate more BTC, it's always much better, It's an investment in your future.
I agree that it's not a bad idea to wait for the price of bitcoin to drop before buying, and buying bitcoin in a dip is good because you will buy a good quantity of bitcoin with a small amount of money, but since we aren't sure if a dip will happen anytime soon and for us not to prolong our bitcoin investment, it is better if we adopt the DCA strategy and start accumulating bitcoin as soon as our discretionary income is available, and the DCA strategy will allow us to take advantage of the market in the sense that if a dip eventually happens, we can still have the opportunity to accumulate bitcoin with the help of the DCA strategy.
As long as your discretionary income is available you can start buying and accumulating and building up your portfolio before the dip comes, because you will end up holding and having more Bitcoin before the dip will come, and the dip will make you buy more into your portfolio in as much as you are holding for a long-term it is still more profitable than waiting for the dip, time delayed can't be recovered.