I think you're asking for too much. You want a coin that fluctuates so much but is so predictable to make some profit. It's a trade secret for most traders out there. Though almost every cryptocurrency in the top 50 fluctuates so you can start with that and try to use different exchanges.
He too asks for easy things to make quick or long-term profits. Don't ask too much for things that are so easy for you to get instantaneously. You better analyze it first.