Of course, it's good when there is a large selection and you can choose a certain pair for your taste forever and know that each pair has its own moments and nuances that you need to learn about.
Yes, GBPUSD, USDJPY, USDCHF and some other majors. They all possess similar features, have volatility and low entry costs.
the currency that is really relevant now and has good trading potential is, of course, the dollar, euro, pound, Australian and Canadian dollars.
all kind of traders always like to trade Major pairs , its really safe and profitable than others but sometimes it we should trade others pair to increase knowledge and experience.
Generally, I like to trade in multiple pairs, GBPJPY, GBPUSD, EURJPY, EURUSD, these pair is most I traded in daily trading activities, about profit and loss, its common thing, forex trading is long time journey, and how to learn manage the risk to increasing money, this not easy step, need huge patience to work.
eurusd and gbpusd most populars pairs, but audusd is also very good, because not have that biggers movements, is very good for start