7-10 days response time between mails

I don't feel it's fair to be nasty to the call centre agents but man am I frustrated. Its nearly a month now and I am irritated beyond belief. Submitted my claim and yes, I did not give them all the required documentation, but then I wait 7-10 days for them to tell me they're missing some docs. I send them within 5 minutes of receiving the email. Wait another 5-7 days to tell me they still need another document. I again send within 5 minutes of receiving the email and wait another 4 days. I decide to call them (each time I call I have to wait forever to get through), and today the agent tells me my claim is with compliance and I'll probably hear from them on Friday (it's Monday). A month to get a simple claim done and I'll accept responsibility for not having submitted all required documentation the first time but have comp**** expediently with their requests all to have to wait forever for a response. Really not cool. Have used them twice since I've been with them (maybe 8 years) and I didn't expect this issue. I've just out my son on as a dependent but I think I need to head to Discovery Gap cover instead. No one needs this poor service.