Do you ever wish you had a coupon that would give you a discount on what you pay for your house? Proposition 13 is kind of like that. Now Proposition 5 would give homeowners over the age of 55, and a few others, the ability to take their lower property tax rates with them to a new house. It's effectively an extension of Proposition 13. But who pays for that discount? Californians will vote on the measure this November. We at The Bay along with KQED’s Bay Curious podcast explain Proposition 5. Guest: Scott Shafer, senior editor of KQED's California politics and government desk