1. the quality of being convenient or easy to use; accessibility or proximity
2. skill or ability in using one's hands; manual dexterity

Examples

• The handiness of the grocery store near my apartment makes shopping very convenient.
• She appreciated the handiness of having a coffee maker in her office.
• His handiness with tools made him the go-to person for home repairs.
• The handiness of the new app interface impressed all the users.
• Her handiness in the kitchen allowed her to prepare meals quickly.
• The handiness of the location near public transportation was a major selling point.