Once you pre-pay for services, the terms both parties agree to are permanently in effect. For cash advances; i.e. obituary notices and death certificates, it cannot be guaranteed that the fund of money established by the purchaser will be sufficient to purchase. However, if after services a balance is incurred the interest earned by a fully funded account may offset any reasonable price increase for cash advances; if not, the family will be responsible for the associated increase. Plan online here.