I agree with the learning what to look out for on the road by driving first. I've got a younger sibling who's learning to ride first before driving and is finding it difficult to look out for pedestrians and cars in our neighbourhood while learning to operating the bike as well.
Been practising very late in the evening to work around that but if you have a busy neighbourhood that may be a struggle.
Imo you shouldn't get a bike until you're like, 25.
Driving a car is a lot safer way to learn how to predict driver patterns. The hardest thing about riding a bike is everyone else on the road. Quite frankly, riding a bike is pretty trivial, as long as no one else exists.
But unfortunately a lot of dumb people do exist and they're driving a couple ton machines that can kill you.
Also a few things to consider, small cheap bikes like what you're talking about don't handle well in bad weather conditions, ABS isn't standard on bikes. You'll likely spend about a grand on safety gear, so there's a lot to consider about the finances and whether or not it's actually reasonable for your situation.
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