Jupiter (jup.ag) will give you better pricing than Raydium. I would use it for all your swapping.
Jupiter is an aggregator that finds the most efficient route through all DEX’s to maximize your swap. I would never use anything else.
It’s also just all around one of the best dApps in all of crypto. The UI/UX is amazing.
The phantom wallet tells you what is coming in and what is going out of your wallet on every single transaction you sign. There are no circumstances where you should ever be skipping over that summary and blindly trusting a transaction