How many laptops are considered by the customs authorities of Europe as own supplies?

I would like to travel alone with three laptops. Across Europe over land.
I also come through Turkey and Georgia which are not members of Europe.

Are 3 laptops still okay?

I doubt it.

3 laptops are already crass.
they probably should not be in the original livery and you should be able to explain plausibly what you need 3 laptops for

If in doubt, then nothing can happen