In the late 1990s I was the Express Logistics Supervisor for DHL International's HUB in Bahrain. You need clear inventory database with scanning tech, and I imagine secure lock up, you'd need very accurate procedures to avoid liability, alarm/security/ tracking systems. Would you be partnering with parcel services? I'd have to know the scale & locations, plus what research you've already done. Feel free to connect to further clarify & get a to do list.