Things you can do to quickly explore the problem space with search data.

★ AnswerThePublic - Find out what questions people are asking on Google related to a keyword

https://answerthepublic.com/

Keyword Explorer — Find keyword trends and related words

https://ahrefs.com/keywords-explorer

Google's Keyword Planner — Official data on keywords, but requires credit card information

https://support.google.com/google-ads/answer/7337243?hl=en

Web scraping tools

• Scape IG Posts with Specific Hashtags: https://console.apify.com/actors/cHedUknx10dsaavpI/console
• https://ithelp.ithome.com.tw/articles/10212937
• Excel + Parse https://www.youtube.com/watch?v=b14NBFv6-wI

IG Hashtags Stats

• https://best-hashtags.com/