Yes, wear your kilt as often as you want in Scotland, as a previous post stated most Scots wear the kilt when there is an occassion but there is still plenty of kilties about especially in Edinburgh.
the great thing about wearing a kilt in Scotland is that it is so accepted, well it is out national dress.
The kilt is so popular now, nearly every male adult has worn one at sometime or another and there is no doubt that any remarks, and you will get remarks, are always complimentary, I can' t remember anyone saying something uncomplimentary about me wearing a kilt.
Scots love to see people wear their mational costume but what I would suggest is if you are wearing it every day, wear it in a casual manner not the full regalia.