Before you buy
Guides
Nine questions that come up before a first purchase, answered once and linked to the state rules that decide the rest.
Pick a question
Each guide answers in its first paragraph, cites the law it rests on, and links to the legality page for whatever your state decides for itself.
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Can I take cannabis from one state to another?
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Do I need a medical card to buy weed in my state?
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How do I get a medical cannabis card?
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How much can I buy at a dispensary?
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What do I need to bring to a dispensary, and can I pay with a card?
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What does the December 2026 federal hemp rule change?
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What happens the first time I buy at a dispensary?
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What is THCA, and is it legal?
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What is the difference between cannabis and hemp?
Your state decides most of this
A guide answers the general question and stops where the answer starts to differ by state, because a rule that changes should be corrected in one place. What your own state allows, and what it cites for it, is on its page in cannabis law, state by state.