There are five in total. The last three are pretty rare.
I know they use to have the bulk uploader option but now you can select multiple pics by holding down the CTRL button before selecting which pics you want to upload.
Do you ever have any issues selling expired ink? I see ink all the time and I just sold my first HP combo back last month but that one was only a month old. The majority of ink I see at Goodwills and thrifts is expired anywhere from 9 months to 6 years old. Just curious how much that affects reselling it.