For a beginner, the advice will be simple: you can bet only the amount that you do not mind losing. Betting twice as much after a successful bet is a bad start. Trying to win back after a loss is an even worse start. To know the strategy you need to study. So I recommend you the site
https://cricketbettingapps.net/lotto247-app/ Here you can find a lot of useful tips that experts will give you.