1.
I usually have them most open when I am browsing what my standing ebay searches have turned up (maybe 6?) but otherwise 2 or 3.
Edit: and sometimes multiples when I'm doing something related to financial stuff, taxes, medicare, etc.
I usually have them most open when I am browsing what my standing ebay searches have turned up (maybe 6?) but otherwise 2 or 3.
Edit: and sometimes multiples when I'm doing something related to financial stuff, taxes, medicare, etc.