i think it was an option in earlier day's but as of now there are project's which are build to catch the smallest part of profit so i do not think that it is a good idea to dive deep in that whole arbitrage trading
Truly a years ago, arbitrage is very popular like around 5 years onwards. But these days, the opportunity is hard to find but if you ever find one, there's no certain token to do the arbitraging because it's not choosing any token and whatever is available at that time, you have to grab that opportunity or else it won't show again. So if you find one, you're lucky if you take actions on quickly but if there's none then accept the fact that it's hard to see such opportunity these days.