Many of us DCA'ing in some way shape or form because most earn a monthly salary and choose to deploy it in certain time intervals, the frequency is really up to the individual. Do you want to keep it simple and pick one price for the month as your entry and pay once off fees for simplicity sake or complicate your life balancing fees paid for more purchases with the possibility of having multiple price exposure to acquire more sats
I don't think theres a right or wrong answer for this, really just about what trade off you prefer