If you’re hopping within the country, usually the local culture is adapted. I never had issues with it, employers expect you to have a resignation period.
Plus as I was saying companies don’t really like to have a working quitter, so they will usually negotiate for that time to be shortened. Maybe one month so you can transfer your knowledge to somebody else, then you’re out - with the three months money, naturally.
Yeah one month is the standard practice here too, as a negotiated shortening of the three month notice. It’s good to have the other two months paid out, that’s all I’m saying.