Consider chewing Xylitol gum after eating. Xylitol directly fucks up the bacteria that cause tooth decay. Make sure to get a brand that is mostly Xylitol (I like Pur).
However, be careful if you have a dog, because xylitol is super poisonous to dogs!
I know this is self hosting, but I would probably just drop them in a S3 bucket with static hosting enabled and be done with it. Never have to worry about availability or big transfers eating up your upload at home. Probably wouldn’t cost more than a dollar a month.
Get a bleacher seat