What a **** service for such a big store

I am expecting my first baby, I had 3 surprise baby showers as a result some of the gifts tripled others doubled. I managed to announce at the 2nd n 3rd baby showers for those who had slips to give me as there are duplicates and those who could gave me.i had no hustle returning duplicated items that I had slips for and even those I didn't have slips for to toys r us and baby city n I received a full cash refund as it was within 14 days and exchange others to what I still needed. Now I get to ****** pathetic shop called baby boom, I can't get a refund for items that I have a slip for n purchased within 7 days, n it gets worse I cannot exchange items that I don't have slips for even thou they have their sticker on. I wanted to return a bouncer which was R599 and buy the one for R1000 in the same baby boom shop that the gift was purchased. \BABY BOOM\" HOW THE HELL DO I ARRANGE FOR GIFT REGISTRY AS YOU REQUESTED WHEN I DID NOT PLAN ANY OF THE 3 BABY SHOWERS??? in future when I have a 2nd baby I know for sure I can ask whoever is in charge to put on the invitation to not buy anything from them. As for me even for my babies parties I'll add a note 4 people who'll buy gifts, but I have"