someone close this, it doesn't lead to anything worthwhile being said.
You get bad drops, o well. So does everyone else if you think that way. If rares dropped every 5 seconds, they wouldn't be rares...
Anyway, it is not based upon luck or whatnot, it is an ALGORITHM. So if you think you have bad luck, it could be that one day you find a perfect weapon/item.
perfect 20% earth wrap
If there is nothing worth while here for you then by all means move on to something more enlightening.
Its funny to see some of the combinations of mods you can get on items. I like the ones with two mods. For example a bow with a fiery bow string and a bow handle +25 health. So you expert salvage it into 10 plankes of wood