Help with Parts List for my Proposed Hacintosh - for coding, Photo/video editing, and gaming

CPU: https://www.amazon.ca/gp/product/B005404P9I/ref=ox_sc_act_title_6?smid=ACIV1104L5CVH&psc=1

GPU: https://www.amazon.ca/Sapphire-Radeon-16GB-Triple-Graphics/dp/B07N3F3QBG/ref=as_li_ss_tl?keywords=sapphire+radeon+vii&qid=1561752040&s=gateway&sr=8-1&linkCode=sl1&tag=morgonaut2ca-20&linkId=ca28aa1c1f539bde95cd8d69ab0d1377&language=en_CA

- But I can't find this GPU anywhere, any other suggestions?

RAM: https://www.amazon.ca/gp/product/B07WJJHMP5/ref=ox_sc_act_title_2?smid=A3DWYIK6Y9EEQB&psc=1

Motherboard: https://www.amazon.ca/gp/product/B07K8RJZRG/ref=ox_sc_act_title_5?smid=A3DWYIK6Y9EEQB&psc=1

Wifi/BT Card: Do I need one to use FaceTime and Airdrop?

Hard Drive (SSD): https://www.amazon.ca/gp/product/B07MFZY2F2/ref=ox_sc_act_title_4?smid=A3DWYIK6Y9EEQB&psc=1

Case: https://www.amazon.ca/gp/product/B07TD9V22K/ref=ox_sc_act_title_3?smid=A3DWYIK6Y9EEQB&psc=1

Cooler: https://www.amazon.ca/gp/product/B079J2N8Q8/ref=ox_sc_act_title_1?smid=A3DWYIK6Y9EEQB&psc=1

Power Supply: https://www.nzxt.com/products/e850

Tutorial Followed: https://www.youtube.com/watch?v=9B_zYEcYHaE

Do you think this is a good build for coding, photo/video editing, and gaming?

- Want to use it for Astrophotography and photo editing

- Gaming

- Video conversation and editing

Would like some feedback and advice. Do you think my parts list is okay? Could I save money & get better parts? Am I missing anything?

- My GPU I am confused with not sure what to do since, I am unable to find it in stock, I don't know much about GPU but would like a good one.