If you are on Polygon and trade on Dapps other than Slingshot you are missing out on a lot. Here's why:
Slingshot is a dex aggregator that will give you the best rates at any given time. It provides the best user experience I have seen so far in DeFi and it also doesn't have a native token (yet). If you aren't using it right now, here are a few reasons why you should consider changing your trading preferences.
Positive Slippage
Slingshot is the only exchange I know of that gives users positive slippage. What this means is that you will sometimes get even more tokens than you usually should. Here is an example.
This screenshot is from my last 3 transactions and all 3 times I got 104% of my order filled rather than 97-98 which I would get with Quiickswap or any other DEX on Polygon. Slingshot achieves this through the power of smart contracts and every trade you make without it is directly hurting your funds.
Fractionalized NFT Trading and Potential Airdrop
There is still no official announcement but Slingshot should have a native token in the near future. They recently airdropped 500 Pengu tokens to their top 1k users ($20 in value) and became the first exchange where you can trade fractionalized NFTs. For whatever reason, they chose Pudgy Penguin #4815 and instead of buying the whole thing, you can purchase a fraction of the NFT on Slingshot.
Once the native token does get announced they will probably reward users retroactively so make sure to perform at least one trade as soon as you can.
Aggregators Give You The Best Price
Even if the platform didn't have the positive slippage option I would still use it because good aggregators are always better than a single decentralized exchange. Since the prices can vary depending on the platform you are using, why not leave that part to smart contracts and aggregation protocols? You will always get the best price and the most out of your trades. With Slingshot you can only get more, never less.
Simple and Straightforward UI
Lastly, we have to mention the clean and user-friendly UI. Prices on Slingshot are tracked per block and provide a very clear price chart.
You can also get access to market data and see what asset is the most traded today. They are sorted by volume and are very easy to understand.
And as I said, if you aren't using it consider doing so. You will thank yourself for making that decision.