No communication with clients

I bought ordered items online.two chairs,angle grinder and a sliding door..on the 15 August 2025 they came to deliver only two chairs and the angle grinder with out notify me..when I asked the person who came to dy where is the sliding door he told me I must contact the store.i wrote the email on the 17Augus 2025 about how unhappy I am about how they handled my order without any apologies I was responded by Confidence Moeketsi that my order was divided into two without telling me first that your order will come in two's..today on the 21August received an email saying your order has been prepared and it's available for you in store..the item that I bought are more than R5000 , they say they deliver for free items over R4000..to my suprise now I must come and pick up the sliding door in store..am not happy at all ..