There are some companies you can buy through compushare for a minimal start-up cost, no purchase fee, no reinvestment fee (or paid by company) and then to sell it's like $25 plus some fee per stock, like, 15 cents. Or $15 plus fee for a batch sale. I see that you can move your shares somewhere else at any time and they don't mention any fees for that that I can see. So when you were ready to sell could you just move everything to, say, sharebuilder and pay 7 bucks or whatever and get a market sale?
Of course it's not a huge amount and not something that's relevant to me at the moment but I wanted to see if I was overlooking something, possibly something distinctive about DRIPs.