Re-searching for the same favorite reaction gif over and over wastes time that a little upfront organization could easily save. Building a dedicated reaction gif folder solves that problem for good.
Why most people end up re-searching constantly
Without a saved collection, most people end up searching for the same handful of favorite reactions repeatedly across conversations, since there's no dedicated place to quickly grab a go-to gif instead of typing a fresh search each time. 
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The hidden cost of repeated searching
Each individual search only takes a few seconds, but across dozens of conversations, that repeated searching adds up to real wasted time that a properly built folder eliminates almost entirely.
Starting with your actual favorites
Starting with a focused set of your most-used reactions, rather than trying to cover every possible emotion right away, tends to create a genuinely useful folder from day one instead of an overwhelming, half-finished collection.
Identifying your real go-to reactions
Paying attention to which gifs you actually search for repeatedly over the course of a normal week gives a clear, practical starting point for exactly which reactions deserve a permanent spot in your folder.
Organizing for quick access
Organizing broadly by emotion tends to work better for quick access than organizing by highly specific scenarios, since a general emotional category is usually what you're actually searching for in the middle of a live conversation.
Keeping the folder from growing cluttered
Periodically adding new favorites and removing gifs you never actually end up using keeps the folder genuinely useful over time, similar to how how to organize your sticker library so you can actually find things benefits from the same kind of ongoing maintenance.
Conclusion
A well-built reaction gif folder turns repeated searching into instant, effortless access to your actual favorites. Browse SoundGIFs' reaction gifs collection for more gifs worth adding to your personal folder.