Not everything in San Francisco can be free, but here’s a short list of some hefty deals we’ve found and some websites that regularly offer steep discounts on fun stuff to do.

ScoreBig : Sports & concert tickets below face value.
Choose your own price (always less than face value, of course) for concert tickets and sports tickets – with no added service or shipping fees at all. Get deals on NBA, NHL, MLB tickets (yes the Giants and A’s!) plus musicals, concert tickets and more.   www.scorebig.com
>> Funcheap Insider Deal: Join their email list with this link and get $20 added to your account to help with your first purchase.

Goldstar : Half-Price Tickets
Goldstar is the world’s largest online seller of half-price tickets. Each week you’ll get an email update with half-price (or cheaper) tickets to nearly 100+ events in San Francisco and the Bay Area. www.goldstar.com

Other Deals & Discounts Websites

• Half-Price Ticket Booth – Tix Bay Area sells half-priced tickets to theater and comedy events both online (for advanced tickets) or at the Half-Price Ticket Booth (for same-day tickets) which is located in a pavilion on the Powell Street side of Union Square.  – San Francisco
• MyBART – Official BART twitter feed with all sorts of negotiated discounts like 2 for 1 theater tickets, plus they’ve got loads of contests to win free stuff. – San Francisco & East Bay
• Artsopolis – South Bay only site with dozens of half-price ticket offers each week for arts and cultural events in San Jose and nearby. – South Bay