Collectibles (child board of Goods) - Trades of physical collectible items ("Including physical Bitcoin coins" as the board's subtext states). If you are selling these collectibles on another site (e.g. have an online store), it doesn't belong here.

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Digital goods (child board of Goods) - Trades of digital goods on-forum for Bitcoin (except for invites and accounts). If you are selling goods on another site (e.g. have an online store), it doesn't belong here.

Invites & Accounts (child board of Digital goods) - Trades of site invites and accounts. If you are selling accounts on another site (e.g. have an online store), it doesn't belong here.

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Gambling discussion (child board of Gambling) - "Discussion of sports games and other gambling-related topics which are separate from games and services themselves. ".

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Web Wallets (child board of Service Discussion) - "Discussion about online wallets.". This includes client-side Javascript based wallets like Blockchain.info, as well as exchange accounts that double as a wallet like Coinbase.

Exchanges (child board of Service Discussion) - "Discussion about specific exchanges, Bitcoin ATMs, and Bitcoin debit cards. ". Emphasis on Bitcoin - discussions about altcoin issues on exchanges don't belong here.

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Alternate cryptocurrencies and it's child boards - "Discussion of cryptocurrencies other than Bitcoin. Note that discussion of how these currencies *relate to* Bitcoin may fit in other categories. "

Section: Alternate cryptocurrencies

Altcoin Discussion - "Discussion of cryptocurrencies other than Bitcoin. Note that discussion of how these currencies *relate to* Bitcoin may fit in other categories. ". Generic coin discussion threads or discussion about altcoin prices do not belong here.

Announcements (Altcoins) - Altcoin announcements, generic (usually announcement like) coin discussion threads. If a cryptocurrency token (e.g. token on a altcoin's blockchain) is much more similar to a new coin (new technology, actual funtional purpose, etc.) rather than a conventional investment (stocks, shares, etc.), it belongs here.

Mining (Altcoins) - Altcoin mining discussion. This includes discussion of PoW mining, PoS staking as well as other mining-like activity (e.g. dedicated devices, software, troubleshooting etc.).

Pools (Altcoins) (child board of Mining (Altcoins)) - Discussion and announcements of altcoin mining pools.

Marketplace (Altcoins) -  On-forum sale of goods and services either altcoin related or sold for altcoins. This includes bounties, advertisement campaigns, dedicated ICO threads, announcement of external giveaways (that do NOT require posting on Bitcointalk), etc. If your cryptocurrency token is more of a traditional investment (e.g. stocks, shares) rather than a new coin, the ANN thread belongs here.

Service Announcements (Altcoins) (child board of Marketplace (Altcoins)) - Announcement of external services that are directly related to or accept altcoins.

Service Discussion (Altcoins) (child board of Marketplace (Altcoins)) - Discussion of altcoin services (both external and on-forum).

Speculation (Altcoins) - Discussion about altcoin prices. This includes discussion about portfolios ("what altcoins are you holding?"), price predictions ("is coin X going to reach 10$ next week?" or "why is this coin's price so low?") and general speculation ("are the altcoin markets crashing?").

Section: Local

Q: I'm a newbie and I really need to be able to post images for <insert any reason here>. Is there any way I can bypass these restrictions?
A: Aside from having the thread posted by a user who is not a newbie or continuing to post until you become Jr. Member, nope.

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Q: Can I enable self-moderation on an already existing thread?
A: No. Just lock the old thread and start a new one with self-moderation enabled in "Additional Options... ".