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I don't think there is any need trying to save a big amount of money before investing into Bitcoin, for you can use the amount readily available to start up your Bitcoin investment journey for you can waiting to save much money before investment in Bitcoin while opportunity is passing you by, for you can start with the little you have but when investing make sure you invest amount you can afford to loss and also plan for long term investment. With the help of the DCA strategy you can accumulate more Bitcoin little by little on a regular interval either weekly or monthly as the case may be and set aside an emergency, reserve and float fund incase there is any emergency or unforseen circumstances that may arise so it won't warrant you selling out your Bitcoin hodling for Bitcoin is best sighted and profitable for the future or Long term planning like 4-10 years and above.
Whatever funds you have can be immediately invested in Bitcoin because it can be purchased in the smallest denominations (mBTC). The DCA strategy will really help investors who have small amounts of funds to invest regularly in the long term, this strategy will also keep investors from missing the moment when Bitcoin prices are falling. Long-term planning will work perfectly when using money that is not used for other needs, investors must be ready to go through all the momentum that occurs in the Bitcoin market and most importantly not be easily tempted by the small rewards generated. The price of Bitcoin will continue to increase and its adoption will also become more widespread in the future, investing in the long term is not a bad idea to build the economy in the future because Bitcoin is one of the best ways to save money so that it is not affected by inflation and gets multiple profits.