if someone is not financially stable, the DCA strategy is still always a flexible way of investing.. all you have to do is invest according to your budget without stressing it, if there’s a need to take breaks within you can do that to balance it, it’s your investment (just make sure you’re consistent ).
You are contradicting yourself, You are forgetting something that DCA is buying bitcoin every week or month with consistency and persistently overtime without a break. Someone who is not financially stable will not be able to carry out DCA practice in his bitcoin accumulation journey. Don't forget that a stable source of income is needed for anyone that want to start his bitcoin investment, because you are only to be buying and building regularly for 4-10 years and above.
You might have a stable income but don't have discretionary income, such person will not be able to invest in bitcoin talkmore of someone without a stable income, because if you don't have a discretionary income and you end up buying bitcoin, you will sell it when you are broke because you must take care of your needs for survival. If you don't have a stable income, you will not be able to build an emergency funds that will sustain your bitcoin investment in the long term.
Investing in bitcoin is just like saving your extra money in the bank for long to achieve something of valuable to you but when you are not financially stable, which money will you save in the bank, instead your bank account will be zero. Same applies to bitcoin.