There are times when acting aggressively when prices fall by 10% or when we get additional income.
On the one hand, cash flow must be stable without becoming a burden when we make aggressive purchases.
The thing is that in as much as someone or rather an investor is rich doesn't mean that they cannot run into trouble if they are investing aggressively, however even if the price drops 10% is not actually a good reason to accumulate aggressively but instead you can possibly adjust your DCA accumulation were by if you normally accumulate a certain amount of Bitcoin on a weekly basis and it happen that your source of income has increased you could possibly increase your accumulation amounts that will be well suitable for you.
Though I no that most investors have there way or perspective they feel they can take advantage or facilitate there investment on Bitcoin but it will be very bad that they will get overwhelmed and invest all they have without realizing that in as much as long term holding doesn't really involved risk but aggressive investment could be regarded as one of the risk or barrier that could have a negative effect on there investment plan.
I believe what you mean by aggressive investment is huge amount I guess, because contextually I might be missing understand you. moreover if there is 10% reduction in price it then means, it is more like a dip and that is when investors should be encouraged to aggressively accumulate as much as they can, not the other way round as you put it.
Your also saying that it is advantageous to be a long-term holder than an aggressive investor. maybe I need to ask, do the two investors not get the same value for thei investment when there is profit or increase in value?