You should be able to earn charges at Wentworths. This was one of the things I tested. You might have to spend several hours for a Day Trader charge after becoming a hero. I do know that you can have both the BM and WW teleporters on a character.
Triumph: White Succubus: 50 Ill/Emp/PF Snow Globe: 50 Ice/FF/Ice Strobe: 50 PB Shi Otomi: 50 Ninja/Ninjistu/GW Stalker My other characters
Thanks, I will just be a little more patient then 
I assumed eight hours/overnight was sufficient.
Other things broke since I tested them, so this might have as well. Or you are at the max charges.
Triumph: White Succubus: 50 Ill/Emp/PF Snow Globe: 50 Ice/FF/Ice Strobe: 50 PB Shi Otomi: 50 Ninja/Ninjistu/GW Stalker My other characters
Nope, just logged him back in and there it was, one shiny Enhanced Day Trader Teleport charge! I just had to be more patient.
So I brought my mastermind over to blueside and worked him all the way to Hero alignment. I noticed that while my badge title changed from Marketeer to Day Trader, I can't earn any charges for the WW teleport power. I still have charges for both the normal and accelerated BM teleporter, which of course are no use to me. Is this a bug or WAI or is something else happening here?