I get it. We all want that sharp, perfect jacket. We want a statement piece like the "African Print Women Suit Jacket" that looks amazing in photos. When I went shopping for a simple yet elegant black formal blazer for women, I made many errors trying to save a few bucks and rushing the process.
I made these mistakes so you don't have to ruin your wardrobe or waste your money. Learn from me now.

I saw a blazer listed for a super low price. It seemed like a steal for a long, tailored jacket. I thought, "How different can one black blazer be from another?" Big mistake.
The cheapest option means the seller cuts corners on construction. The fabric was thin. It felt more like a blouse than a structured suit jacket. When I opened the package, the fabric was already wrinkled deep down. It looked cheap even before I tried it on.
A good black formal blazer for women needs weight. It needs structure in the shoulders and collar. If the price is too good to be true, the material quality will suffer. You won't look professional or festive; you will just look sloppy.
When shopping for a custom item—especially one involving specific prints or designs, like the "African Print" details—material quality is everything. I focused only on the color (black) and the length (long).
I ignored what the lining was made of. The jacket I bought had a cheap, static-clinging polyester lining. After wearing it once, the lining pulled out of the seam near the armpit. The outer material started pilling right away.
If you see "100% Mystery Polyester" with no mention of weight or specific blend (like rayon or spandex), assume the worst. A quality blazer will be fully lined and use strong stitching. I should have looked for detailed pictures of the fabric texture.
I only looked at the star rating, which was okay (3.8 stars). I didn't actually read the low-rated comments. This was a critical error, especially since this product was advertised as "Customized."
Had I read the comments, I would have seen warnings like: "Buttons fell off immediately," "The sleeve is too tight, but the body is too loose," and "Looks nothing like the picture; the color is dull."
I bought the blazer anyway, hoping I would be lucky. I was not. The buttons were flimsy plastic, and the lapel stitching was crooked. I should have looked for pictures taken by real customers, not just the highly edited photos of the model.