Of course, u can use the preset bots available on the CEXs, but those are preset bots with limited customization. To my opinion, it is more fun to write your own code/algorithm for your bots.
*If you are from Malaysia, u may need to use Luno as a medium to transfer funds in a form of cryptocurrency to your wallet Binance, Kucoin, or Bybit. I usually use XRP as the medium because of the speed of the transaction and very low fee.
The process is actually quite simple, it really not as hard as u think 🙂