If the old floor does not have loose material or bubbles, I would say it is OK to go over it with laminate.
Laminate flooring floats on the exisitng floor, so it has to be able to expand/contract, usually requires 1/4+". Fitting it tight to doorways may not be OK, check manufacturers directions.
The gold piece is a transition/tack strip for the carpet. If you remove it you need to install a tack strip to keep that edge tight.
Changing direction with laminate and have it look good over time is not easy. Consider keeping everything in one direction.
Cut off all curled vinyl edges.
Laminate flooring floats on the exisitng floor, so it has to be able to expand/contract, usually requires 1/4+". Fitting it tight to doorways may not be OK, check manufacturers directions.
The gold piece is a transition/tack strip for the carpet. If you remove it you need to install a tack strip to keep that edge tight.
Changing direction with laminate and have it look good over time is not easy. Consider keeping everything in one direction.
Cut off all curled vinyl edges.