Need help with choosing agent

A month ago I ordered my first haul using Usfans. Shipping wasn’t too bad with a coupon but the conversion rate is terrible and ive heard accusations of bait switch.

Now I’m looking for a cheaper and more reliable alternative. Reviews are pretty mixed, but I’m considering Cssbuy, Sugargoo, Oopbuy, or Hipobuy (I also thought about Mulebuy, but heard they swap items too)And does any of them have restrictions?

Thanks in advance for the answer ;p