www.vbeltsupply.com carries all types and various ranges of standard and heavy duty, along with a fantastic cross reference info. Good prices and quick delivery. Have bought numerous belts over the last 15 yrs for Craftsmen, Cub, and Toro.
Have used both. Con with plow is finding room to push snow to with multiple snows.
With a blower you’re throwing the snow out away from drive/walkway. Found blower much faster, also. Pro with plow is with small accumulation you can clear it off, sometimes blower won’t pick it up. Also wet sloppy...