I trade mostly using EURUSD because it seems to be the most volatile pair and a good choice to consider.
I prefer trading with EUR/USD because i find it as the most volatile pair and it is also a good option to consider.
Yeah majors can boast with very good liquidity, it's their major advantage (sorry for pun). Some brokers offer excellent conditions for scalping based on latency as well but you have to spend some time to solve some challenging technical questions, set up platform and optimise code.
You definitely need to determine for yourself how and in which session it is more convenient for you to trade. And from this it is better to choose currency pairs
Take their work, 2 - 3 popular trading games, look like a body, and then gradually add any with which you will be interested in trading, but before that, study their specifics.
I recommend trading with EURUSD since its the most volatile pair in the market, and currently, it is a good option to consider.
Indeed, the best option is to use popular currency pairs that are in demand with which it is easy enough to start trading.