It's just the same as investing in anything else with Dodl: open your account, add some cash, then go to the invest tab. Simple!
But there's one extra step if you're investing in US shares within your investment ISA, lifetime ISA or GIA - completing a W-8BEN form before you place your order. Don't worry - it's really straightforward and'll take a few moments to complete. And you won't need to do one for your pension at all.