I want it at any cost. I will pay anything.

Hi Seaira, in this case, から doesn't mean "because" but I don't know how I can say it for my English. It's like "any sum / no matter how / I don't care the quantity/amount".

"I definitely want it. Because no matter how much, it is okay/good. " This is what seems to make the most sense to me. (^_^;)