What gives you the right to increase my limit without my consent?

Woolworths!!! What gives you the right to increase my limit without my consent? NO fica!! NO salary slip! No paperwork!! you just increase without telling customers, is a disgrace and a ****! your ethics stink, (Woolworths will sell its soul to put South Africans in debt!!) Woolworths Sounds like a funding ********* party!