I have never..ever...ever...shot a deer over scent. I had just about given up on them until some provinces banned the use of them (which is usually the best indication that they work). But I don't plan to buy any again.
I've spent a small fortune on gadgets and gizmos over the years; some were useful - most weren't.
My advice...do your scouting... Pick a spot where there is clear evidence of deer activity (the more recent the better), keep the wind in your face and SIT STILL!!!
In the winter months, when the tempurature drops well below freezing, it gets harder to stay warm enough to be comfortable. Yes, wool socks are better than cotton but; battery powered heated socks are even better. And yet our feet end up cold at some point anyways. When we are hunting we are usally trying to be as still as possible, for as long as possible. The problem is, when we aren't moving, our blood circulation slows down. We especially lose...