Don't get it twisted, bitcoin investment is not a risk free investment which is the reason why you should only invest with the amount of money that you can afford to lose. Investing in a long term bitcoin investment is the best way to go about bitcoin due to the volatile nature of bitcoin in order to limit the risk of running at loss because the price of bitcoin increases overtime from history.

The DCA strategy of accumulation doesn't kill the risk in bitcoin investment, it only gives you an opportunity to continue buying more bitcoin for yourself regularly and grow your bitcoin portfolio to a size that you wouldn't have been able to accumulate with your consistent and persistent DCA for 4-10 years and above. If you use an amount beyond your discretionary income to DCA or you don't set up backup funds along side as you are investing, you will sell your bitcoin investment when it's not of your will because you were only gambling and not investing.

Nobody knows the future of bitcoin which is the main reason why we shouldn't over put too much confidence in our bitcoin investment that's risk free so that we don't use all our money to invest in bitcoin for the future so that, if bitcoin price didn't perform as expected by you, you wouldn't be disappointed and remain in regret for the rest of your life. Every investment has risk.