Amazon — Product get delay it's huts me lots. I rise a complaint lot

I am prime customer in Amazon. Last seven day I made lot of purchase but in that so many products get different size so i return and also for delay delivery. Last 7 days i make a call for customer care for my delay delivery product rise a complaint daily it's huts me more it will create stress for me because I speak more than 27min daily in customer care but still i didn't get my product even I made a replacement in all call they say only sorry. I get compensation for delay iphone and wrong product they give one month prime and 100rs gift card.then for the product of boat watch i didn't get still now so I ask compensation mean they say only sorry sir we should not provide any competition and also you can cancel the product and get refund something like that they say. It's hurt me more sir because I already paid for the product. please help me to get a compensation with the product because of they hurs me lots in last seven days