InfiKnowledge is the parent company powering a suite of platforms that are redefining how collectors buy, grade, and value sports cards.
Each platform serves a distinct role in the sports card ecosystem — from sourcing and grading to smart collecting strategies.
The hobby's best value destination for authentic sports cards. Baseball, Football, Basketball, Hockey, UFC, and more — all at prices that won't break the bank. Fast shipping, great deals, updated daily.
Visit CardSourceChallenging the myth that only PSA 10s matter. CheapSlabs proves that smart collectors buy 8s and 9s — same eye appeal, fraction of the cost. Data-driven tools, market analysis, and a growing community of value-first collectors.
Visit CheapSlabsAI-powered sports card grading that saves collectors money before they submit to PSA, BGS, or CGC. Instant digital grades, centering analysis, slab reading, condition checks, and market intelligence — all in one platform.
Visit PreGradeCardsInfiKnowledge was founded on a simple premise: the sports card hobby deserves better tools, better data, and better value. We build and operate platforms that empower collectors at every level.
From AI-driven grading predictions to curated value deals, our properties work together to create an ecosystem where knowledge is the ultimate edge.
Every decision backed by real market data and analytics.
Built by collectors, for collectors. We use what we build.
AI and automation at the core of everything we ship.
Making the hobby accessible and affordable for everyone.