Nano's feeless incentives
Rather than paying fees to validators, no one pays anything for Nano transactions. There are no fees, and there is no inflation. ... These businesses have a second incentive to run a node - it allows them to use the network trustlessly.
Is Nano centralized?
Nano is not centralized.
Why is Nano a good investment?
One of Nano's webpage states that it's “ideal for everyday transactions.” It offers extremely quick transactions with no transaction fees. Even better, it's eco-friendly.