Why can't ALL minions drop a set amount of items + gold?
Like first wave 1 gold drops per minion.
Wave 2 - 1 item and 2 gold.
Wave 3 - 2 items 2 gold.
Then onward beating other minion waves earns you a bonus item on completion.
Its utter crap having a maybe chance of getting an item per wave, only to have your oppenent with several completed items on round 5.