Using hashtags effectively in paid social campaigns is a powerful way to increase reach and engagement. Start by researching relevant hashtags using tools like Hashtagify (free version), RiteTag (limited free access), or All Hashtag to discover what your target audience is already interacting with. Balance your approach by mixing popular hashtags for broader exposure and niche ones for a more targeted connection. Always prioritize relevant hashtags that align with your content to build trust and authenticity. Create unique branded hashtags to encourage user participation and make tracking easier. Avoid overloading your posts; use around 5-10 hashtags on Instagram and fewer on platforms like Facebook or LinkedIn. Place them strategically, either woven naturally into captions or in the first comment, and track their performance to refine your strategy.