As others already suggest. DCA is the best method to accumulate Bitcoin for holding. We observing a $29K price range now. It's still the beginning of the Bitcoin journey. It's not too late to start your journey. We have a long way to go. Always invest what you can afford to lose because we don't know when we can see another FTX Fiasco. Centralized exchanges control the current market.
Yes, this is an opportunity for us to continue to collect bitcoins as the forecast in 2024 will go into a bull market after the bitcoin halving event so that will give us great returns. Op you can put in whatever amount you have left of your paycheck because even if it is small but if you consistently make bitcoin purchases every week or month continuously over a period of one year then chances are you will get a rather large total of bitcoins accumulated over the above time period, feel free to buy bitcoins using your salary money if your goal is long term investment.