Are you currently in the process of buying stuff or just in training??? Maybe you have issues about your gear? Just trying to analyse.
The only dreams i have had about diving are all nice trips underwater, reliving what i dove recently or in the more distant past or about what trips are coming up, imagining. Some are more like daydreams as i just lay in bed, those are usually directly after diving all day - i relive the dives, close my eyes and i am there again floating along, some are actual dreams - however i wouldnt call them wet dreams