• Lee's Electronics - 29th and Main - 4522 Main Street http://www.leeselectronic.com/catalog/index.php
• Main Electronics - 29th and Main - 4554 Main Street http://www.mainelectronics.com/
• Active Electronics - 1st and Boundary - 3695 1st Ave East http://www.active123.com/
• RP Electronics - Lougheed Highway and Willingdon - 2060 Rosser, Burnaby, http://www.rpelectronics.com
• MRO Electronics - 1745 Boundary Rd. map

• Pacific Fasteners - 3934 East 1st Ave, They stock a huge range of fasteners (nuts, bolts, screws, nails etc.) and are pretty close to MRO. http://www.pacificfasteners.com

• Digikey - http://digikey.ca/ They've got pretty much anything, and they ship from Canada.
• Mouser - http://ca.mouser.com/Home.aspx Similar to digikey.
• Sparkfun - http://www.sparkfun.com/ Awesome site with tutorials and lots of breakout boards and rad parts.
• Adafruit - http://www.adafruit.com/ Good starter kits, mostly revolve around Arduino
• Apex Jr - http://www.apexjr.com/ Surplus gear at good prices, lots of audio amplifier bits including toroids. Will ship a 4 lb bag for US$13.

Many semiconductor manufacturers run sample programs that let you get small quantities of chips for very cheap or free. Some programs require a registered business contact. See this wiki page for more information.