Finally, resources can be sent to upgrade units in several ways, from improving their armor and defenses to increasing the effectiveness and range of their attacks. (gamerstemple.com)
If you plan on upgrading your unit, any improvements you make will also be covered under your policy, including wall units, renovations, wallpaper. (stjohnsinsurance.net)
If there was a previous owner, how much did they spend upgrading the unit? (tdinsurance.com)