Ground mounting systems and methods for interactive property advertising devices

A ground mounting system for supporting a post, the ground mounting system comprising:

• a sleeve configured to receive the post therein;
• a plate secured to the sleeve and defining at least one first slot and at least one second slot therethrough;
• an auger positioned to extend from the plate to secure the plate to a ground surface, wherein the auger includes a helical arrangement of a coil including an aperture therein;
• and
• at least one stake receivable within the slots to facilitate securement of the plate to the ground surface, wherein the stake includes a retaining finger configured to retain the stake within the at least one first slot, a leg extending from the retaining finger and a piercing edge extending from the leg being configured to pierce or cut soil while driving the stake into the soil, and wherein the retaining finger includes a hook located on a distal end thereof configured to be inserted into the at least one second slot.