[@Holy Soldier]
Well the main weaknesses are she needs mutual eye contact and needs the target to hear her, so it can be resisted by just not looking at her face. I honestly didn't think about the duration since hitting someone or even trying to roll them off the stage would be enough to wake them up. 

For the TK, let's go with about 200 pounds for lifting and using it to hold something in place requires dedicated focus, assuming they try to resist.

Finally, she buys the capsules with her hard earned scam money.