“What do I actually need to make this swap work?”
Less than I expected. My first attempt failed because I treated every setting as mandatory. It was not. The basic route is simple: connect a wallet, choose the token pair, enter an amount, and confirm the transaction.
That is the minimum. The rest helps you control the trade.
The four parts that matter
- A connected wallet. The wallet needs to be on the same network as the swap. If the token balance looks correct but the app shows zero, the network is usually the first thing to check.
- The correct token pair. Search by contract address when there is any doubt. Token names can be copied. Addresses are harder to misunderstand.
- Enough balance. Leave room for the network fee. I once entered my entire token balance, then had nothing left to cover the transaction.
- Two confirmations. Some tokens need an approval transaction before the swap itself. The approval allows the smart contract to use that token. It is separate from the swap, so the wallet may ask twice.
Once those four pieces were in place, the swap went through. I did not need to change every advanced field.
What the extra settings add
Slippage is the useful extra. It sets how much the received amount may move before the transaction is rejected. A very tight setting can cause a failed swap. A loose setting gives the trade more room, but gives you less price protection. I leave the default alone unless the route is failing or the market is moving quickly.
Price impact is different. It comes from the size of your trade compared with the available liquidity. Raising slippage does not fix high price impact. It only accepts a wider execution range.
Route details are worth checking when the quoted output looks strange. They show how the trade is being executed and can explain why a direct pair is not being used. I check the final received amount, the fee, and the token address. That takes less time than recovering from a wrong selection.
For the current swap screen and its available options, I check quickswap directly. The page is useful as a reference while deciding what to approve.
So the short version is: wallet, pair, balance, confirmations. Add slippage and route checks when the trade gives you a reason. Everything else is optional until it solves a specific problem.