i will buy more bitcoin it it will go down fast because it does only mean that its in the correction.
As of this writing BTC price is $44966.2 Few hours ago its $48K

If you have bought Bitcoin few hours ago, you could have made so much lost
however try to hodl it till it reach new ath again!! then you will gain profit!!

once the price dumps again u should buy a whole lot more!
You can try buying on Kucoin Exchange   this is highly credible exchange, they also support fiat to crypto so it would be convenient for you to buy coins there!