I'm fed up!

I requested an emergency too up of R100, bought voice bundles of R53, 130 minutes for u days. I get an sms saying i have airtime balance of R47. When I buy data, I get a message saying insufficient funds. Oy to find out that I'm left with R1.51 airtime. Please make sure that my remaining airtime is loaded In peace. What ****es me off is that, this is not the first time this happens. I'm now fed up.