Proceeds from 'safe & sane' fireworks go to good causes Proceeds from 'safe & sane' fireworks go to good causes The sale of "safe and sane" fireworks are being hampered this week by a shortage and shipping issues, but for what is sold, in many cases, proceeds are going to community services and educational organizations. DUBLIN, Calif. - This is the one and only week of the year that ‘safe & sane’ fireworks can be sold in California. Almost all of the proceeds go to good causes. But, in the Bay Area, there are fewer fireworks stands selling more expensive fireworks, made more expensive by shortages and shipping problems from China.