Customer Support Experience

Anyone else finding it very difficult in resolving purchase issues. I recently purchased video doorbell and chime plus.The door bell arrived but no chime even though the packing note said despatched.So far I’ve found that the chime plus is on 3-5 week delivery so why didn’t the web site say this and more importantly why did the packing note say despatched. After 4 stressful phone calls I am no nearer in resolving as customer services cannot authorise a refund and keep saying “shipping “ will contact me. The did, by a no-reply email address so how do I reply or contact them.I’ve subsequently received another email (same no-reply email) saying if I don’t reply the will close my enquiry.Appalling, to be fair Customer Service are very sympathetic to the problem but appear to have no power to actually solve the problem and issue a refund.Does anyone have a better email address or phone number that actually gets you to someone who can resolve problems? Thanks.