General:
Errands
Help with move outs or ins
Grocery shopping and delivery
Mailing, packing, and shipping
Prescription pickup 
Dry cleaning pickup
Organization + Clutter removal
Donation + Recycle runs
Property checks
Waiting service (in case you are not home when work needs to be done) 

Vacation and Rental Assistance:
Rental setup
Stock supplies and arrival set-up
Key drop-off and pick-up
Between tenant inspections
Maintenance coordination