Comp points can usually be exchanged for cash, prizes, or other comps. Casinos sometimes give out complimentary items or comps to gamblers. Casinos also frequently offer players comps by mail or email, or in casino apps. Many casinos also offer other comps, especially to high rollers. Comps are commonly available at land-based casinos, but also exist online. In 2008 room sales far exceed expenses and comps. Comps will be available, but will need to be redeemed by visiting the casino. Rakeback is similar to comps in "brick and mortar" casinos. In combos with a guitar player, the guitar player usually comps for soloists. Although comps were standard for high rollers, Binion gave them to all players. Many advantage players also take steps to maximize the comps they receive from their play. Sean produced supplemental motion graphics and comps while editing. The casino host has the power to issue complimentary services (or "comps") to players. "Comps", or Comparable Company Analysis may also be presented. They may have their comps reduced or eliminated.