form/tab completion for previous entries
yaml save format?
ID's suck!

supplier:
  ID
  physical address/directions
  url

order : 
  ID
  date: "2008 08 27"
  agent: ben
  supplier: ID
  order URL
  shipping method
  shipping fee
  other fees
  total price
  dynamic total of boughts
  purchase list

bought:
  ID
  link to relevant item
  price
  url
  backlink to order
  
item:
  ID
  1 line description
  comment
  link to manual/datasheet
  picture
  quantity (units)
  allocation status (freeforall preferred reserved allocated)
  backlinks to boughts
  backlink to container

container:
  ID
  type
  name/description
  shelf
    shelf coordinates

shelf:
  ID
  name/description
  global coordinates
  directions to location