Post your unique requirements. Take a photo from your phone and see if your vendors can provide it.
Chat with your vendors.
Get latest product promotions from your vendors right on your phone.
Send your promotions right to your buyers phone.
If they like your promotion they message you. If you provide the link to the product, they can order right away.
Check what your customers need, Get a feed of what unique requirements your customers may have.
Communicate with your buyers over mobile phone.