buy bitcoin prices at the lowest price even if there is a sell at a low price. but I think no bitcoin price is low because the price every year will surely increase so just need to be patient and not panic in selling it
No one can predict what is the lowest price of bitcoins to buy as today price is around $8k and tomorrow it may go even to $7k price so if you buy today and tomorrow you see more lower price then you will regret for not waiting longer so its hard to determine what is the lowest price to buy bitcoins so if you are satisfied with the price and if your budget allows you to buy then without waiting for anything you can go for it and you very well know when to sell your bitcoins.