Double colorless energies are valuable as they can still be used in competitive play to this day. If you are interested, the link below shows my Pokemon deck.
Ebay is pretty useful for me. I usually buy Pokemon / Yugioh cards on there lol.
Probably too sensitive like a woman. Don't take my opinion too seriously though. Your gender isn't something I question on a frequent basis or anything. It just pops into my mind from time to time, that's all.