Rep Fitness Competition Bumper Plates are a good budget-friendly option for anyone wanting IWF-spec weights for training purposes.
Full review of the foldable Stamina X Hyper Bench
Build a DIY lifting platform for under $120 in parts.
Full review of the T-Grip Shorty Bar from American Barbell
Build a DIY impact massager like the TimTam or Theragun for under $60 in parts