Seapoint Cash Crusaders iPhone 8 purchase disappointed and appalled

I bought a iPhone 8 from Seapoint Cash Crusaiders and when I got home I was highly disappointed to find out the 1 The battery did not hold a charge. 2. The iStore at the V&A Waterfront confirmed the screen if a Third Party Screen with no True Tone 4. A certain pert of the screen does not work. I can’t upload on Instagram and on taking a photo I can’t select the timer + high definition etc. as that part of the screen doesn’t work! 3 There is a mark on the screen that reflects the screen is faulty. They are in my opinion ********* in selling products that are not checked at all all - as they do boldly say they do. Disgusted by the Seapoint “Manager” who said they don’t cover LCD screens but are happy to refund me. That does not help because I relaxed the battery with a Apple battery costing 650 Rands What a lovely experience - NOT!!! Disgraceful service and attitude from Seapoint staff and manager