Estimate for leaking 50 gallon natural gas water heater / power vented. Also install expansion tank and drip tray. Provided customer with option to replace heater as it was leaking onto floor. Customer advised that she was getting an estimate tomorrow; and does not want to proceed until after her second estimate. Advised customer that we would value her business and to discuss her second estimate with us if she wishes. Also advised customer that the price is higher than a naturally vented water heater due to the power assist.