Replacing the radiator on a Honda is super easy, if you look into it might be worth trying. Was able to get a brand new one for my honda from autozone for about 100 bucks(even cheaper ones online) and took about an hour tops to do.
Also might be worth even trying one of those stopleak things, they're like 6 bucks, you pour em in your radiator and its supposed to seal the hole if it's in the radiator itself, may or may not work but it's pretty cheap, so if it doesn't you don't lose out on much
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