What you need!
1.Wpe Pro
2.Suggested browser K-Meleon
3.Armor Games account
1st step go to auction house
open auction tab
select item to auction that you want duped
start recording on wpe pro
hit auction
stop recording wpe pro
add packet to send list that auctioned the item
go to my auctions tab
find auction you just listed
start recording on wpe pro
remove auction
stop recording wpe pro
add remove auction packet to send list
then right click on the packet you just added to send list in the packet window and click "set send list with this socket id"
go to send list and check both send boxes
click send and set it for 100 millseconds continuous
go back to mini heroes and click on auction tab and go back to wpe pro and click on play and wait like 30 seconds and wala when you go back to mini heroes my auctions tab you will have like 20 of the itme you wanted duped!!!!!