Yes, as the more time invested into research, the less time and the greater accuracy of planning. But like all multivariable situations, a balance is needed.

Yes, as the more time invested into research, the less time and the greater accuracy of planning. But like all multivariable situations, a balance is needed. With that planning feeds back into research in that you may hit a cut-off point, that don't mean research stops, it just changes the focus and future research will come into version 2.... As is with software, you hit a time in which you would love to add this and that and tweak this and that, but those end up being patched or version 2.... later on. Like everything, it is a fine balance, no cookie cutter template or formula as every situation is different. But they have comparable factors that you only learn over time and then in niche area's. You also learn to get those balances better and with that, plan ahead more. But do put a price on your passion, more so if you plan to combine that with work. As the later can kill the former just as much as the other way around, get that balance right in a way that works for you.