Newborn nappies

I’m 30 weeks pregnant with my first and have started a pretty good AIO stash (little blooms, fuzzibuns and tots bots) that are all one size, but do I need newborn nappies? I’ve heard a lot of people saying one size nappies are too big for newborns but I don’t want to buy another 30 or so newborn nappies if my son won’t wear them for long. I plan on using disposable nappies for the first little while because I’m having my baby in hospital and my husband and I want to settle into life with a newborn before switching to cloth. Do you think I should just use disposables until he fits one size nappies or should I buy some newborn cloth nappies? Any advice is much appreciated. Thanks x