I wonder if doubling the price would be a good idea, unless you do some tweaking.
Take for example, a nice clone atty might be anywhere between 25 to 40usd
Add in the new doubled rate of $30, that's between 55 to 70. Now add in the shipping rate of $5.80 + own shipping to chowder.
Each atty is now 65 to 80. That's real pricey and starts going into an authentic price.
I do however think some people would be willing to pay for it still, although I'm not sure if the number would be large enough.
Certain tweaks can make the doubling in price work out a little better though; stuff like taking out return shipping altogether.
The other thing to take into account is you'll need to be competitively priced, and in this case, compared to Rob. So the attys that he already carries (eg RM4 and your atomic, RM5 and a zenith clone) would need to be priced competitively. Just a thought.