Dota 2 Wiki
Market
Skins and the trading market — rarity, fees and price-checking, so you can trade safely.
market
Dota 2 Skins Guide: Rarity, Arcanas & How to Get Them
How Dota 2 cosmetics work — the rarity tiers from Common to Arcana, what an Arcana actually changes, and the seven ways to earn or buy skins, with price examples.
marketDota 2 Market: Steam Fees, DMarket & Skinport
How to trade Dota 2 items — the Steam Community Market's 15% fee breakdown, the 7-day trade rule, and how third-party sites DMarket and Skinport compare on fees.