SYS is a low transaction cost coin that is also part of a cryptocurrency based business platform. Your Syscoin investment will allow you to buy and sell items on the blockchain using the included decentralized e-commerce platform.
They also provide the use of "aliases" to help alleviate the pain of using long wallet address strings to send and receive payments. Their platform includes an escrow service that allows you to have a third party arbitrator oversee your trade to up the buyer confidence level of their system as well.
If you're looking to buy Syscoin is can be done on several popular exchange platforms. Bitcoin is the most popular trading pair, and this option will most likely provide the best token price for you when making a purchase since it has the most volume.
To store your tokens you can do so using the Blockmarket desktop application. Your wallet for SYS will be integrated into this platform, which is actually pretty slick looking. If you don't have an interest in using their platform yourself for buying or selling you can also store your tokens in the Coinomi mobile wallet.