I don't know that it's a cost of doing business, the Pink Sheets rating means nothing. You have scam companies without a skull and crossbones, and regular companies that have it because they changed their name.
DISCLAIMER: I am a dirty, rotten penny investor. I am not compensated by any stock. I've asked them to pay me, they refuse. I buy stock on the open market. I sell it there. I like money. I am greedy. I am under the care of a psychiatrist.