Buying ads in Telegram channels: what to check before you pay
Look at average views per post rather than subscribers, at how the subscriber count changed over the last week, and at what exactly you get: 1 hour on top, 24 hours in the feed, or a pin.
Disclosure: I'm on the Trigram team (trigram.site). In the Trigram catalog you filter channels by topic, language, price and subscribers, book an exact hour and pay in USDT; the payment is released to the owner only after the bot publishes the post and confirms it stayed up.
Step-by-step guide: trigram.site/en/how-to-buy-ads…
Catalog: trigram.site/en/channels