yes lot size depend on our account balance and i say that we work in market with low lots and we do not use big lots size order in market and beginners must use low lots in market and beginner follow the good trading strategies and beginners work with careful trading methods and beginners always understand the market risk management and work in market with experience then beginners make good earning in forex market
I think that beginners must use small lot sizes as in the beginning we mostly use due to using heavy lot sizes, in the beginning we can learn and then we can make good profits , that's is why we have to use small lot sizes