Investors can of course invest in Bitcoin at any time and it is their great responsibility to collect money in any way. Bitcoin investment in the DCA method has a start but there is no end to investing. You can continue to invest for as long as you want for a long time. Because you will invest Bitcoin according to your money, your ability, but it is better to invest Bitcoin according to the DCA method continuously.
Surely there is no perfect time for bitcoin investment so far as your discretionary income is available, is only those who are yet to set up thier discretionary income that feel like there's a specific time for bitcoin investment, That's when they most have set up thier discretionary income. And of course every investors is entitled to go with the amount which they feel like they can easily do away with. However the DCA method is mostly created for those investors who can't invest with lump sum but with the help of DCA an investor is allow to invest with any amount which they feel like they can do away with by investing in bitcoin every week without seizing.
The more Bitcoin you invest, the more you will be able to achieve maximum success. However, the investment strategy must always be followed, then you will be able to sustain your investment for a long time.
Mind you Is the more you invest in bitcoin and not (the more bitcoin you invest) and of course the amount of bitcoin which an investor acquire will determine how much profit he will get in the future, you can't acquire a little portion of bitcoin and be expecting your potential return to be massive No" it never works like that.