I will start with stating again that I am in favor of holding, not mining.
At first, you have to find a supplier who will send you miners, okay, we all almost buy exclusively from Bitmain. You have to buy miners from Bitmain, pay money to them, then have to wait to get them shipped and received in your country, you have to pay customs, you have to find a mining datacenter with low electricity costs, you have to set up miners, take care of their cooling, some of them might have problems and then you have to return them back and ask Bitmain for repair. I personally find it too much of a trouble, especially if you are far from China.
This is a pretty nice list, although OP can also buy second-hand directly from US for example; it could be more convenient as price and as delivery time, although there's a known risk of second-hand stuff that you don't know how much wear the hardware has already taken. Plus, there is some knowledge involved in the right settings for electric, network, cooling, error detection and so on, which OP has to "buy" in a way or another - either shipping his hardware into others' care (with possible risks), either hiring staff, either learning himself (possible to make more sense to learn from his staff while everything is running).
When I say trading, I don't mean frequent trading, to be honest. I mean to only trade a few times in a year, probably once or twice, you have to aim to catch only good moments, not every moment.
Interesting approach. But imho this involves quite a lot of knowledge and some luck too. I don't disagree, selling near an ATH and buying when there are lows can be a strategy. But not for most people imho.
History shows that even holding alone is very profitable, highly rewarding and less risky and problematic compared to mining.
This was also my point in this topic.
If it was 2016, I would suggest him to buy GPUs and start mining altcoins or via nicehash but today I think that it doesn't worth it to start a mining business, holding (or trading) is really a better alternative, especially now when halving already happened a month ago.
In 2016 there were quite a lot of options. Heck, Bitcoin itself was priced under 1k back then.