heres a few good rules of thumb about buying weed.

IF ITS ANY FUCKING COLOR OTHER THAN GREEN......... DONT BUY IT!
IF IT SMELLS LIKE THAT SHIT LEAKING OUT OF YOUR CAR...... DONT BUY IT!
IF ITS SOMETHING THAT CAME OUT OF THE SPICE RACK...... DONT BUY IT!
.... and thats about it.... smoke on!