I am not a pair of shorts.
You will never find me in the bargain bin.
If I do offer you a discount, it is an offer: You may accept or reject it. And it is at my discretion.
How would you feel if your boss rang you and asked you to come in tomorrow and work for half your usual pay? Or better yet, ask you to come in and work a double shift for half the pay you usually get for one shift.
Haggling. Negotiating. Asking for a "better" or "best" price. Whatever you want to call it, is a constant source of frustration and insult for working ladies.
I completely understand you may have constraints on the amount of disposable income available for your sexy pursuits. That being the case, stick within your means and approach WLs within the price you can afford.
Window shop all you like. But keep walking if you can't afford my advertised rates.