If you're hunting for legit 'Dirty Dads Underground' merch, the best starting point is the official store — usually linked from the band's or project's main profile pages. I always check their official website or Bandcamp page first because that's where limited-run shirts, vinyl, and signed prints tend to appear. If there's a Kickstarter or Patreon campaign behind the project, exclusive drops often show up there too, and those runs can sell out fast.
Beyond the official channels, I look at artist-driven marketplaces like Big Cartel, Etsy, and Storefy/Shopify shops; a lot of indie creators use those for tees, stickers, and patches. Print-on-demand platforms such as Redbubble, TeePublic, and Spreadshirt sometimes host fan designs, but those can be unofficial — so double-check whether the creator authorized them.
For rare finds and older merch, eBay, Depop, Mercari, and Discogs can be goldmines. My rule of thumb: verify seller photos, ask about tags/condition, and favor listings that show packaging or proof of purchase. I usually sign up for mailing lists and follow their socials so I can pounce on drops — it’s half the thrill, honestly.