Sweden has an its version of CPS. The first time they will do an investigation but without any proof, nothing will happen.
After a few of these without any indication of harm being done to the child they will just ignore them as it has been investigated.
You can’t really cause problems for people this way.
No you don’t, it is very clear. Within EEA, not in Sweden.
I work in accounting and we just solved this for a Spanish client without any initial employees in Sweden.
All of these things are easy if you know how to do them.
But if you have never done them, it takes some time to learn.
My advice is get an external accountant to do this for you, only takes a few hours and they can teach you everything you want to know.
Income tax and capital gains tax are two different things and two different rules sets.
In Sweden income tax is max ~56% while max capital gains is 30%.
You can’t really cause problems for people this way.