Generally the rule is if it isn't a question that needs a reply to let it go.

Anything dealing with kids needs a reply.

Financial or business type stuff gets a reply when you have time.

" I am going to the store" doesn't require a reply.

" I will be back later" doesn't need a reply.

Me40; W38; S12; D9
BD11/19/2018 D filed 12/20/18
D Final 7/2020
Being the best example I know how for my kids to see.