Shopify will provide all the bells and whistles of Magento but without the need for a team of experienced developers and QAs taking care of your store.
Spend money on Magento to Shopify once and enjoy the smooth ride afterwards.
Many business owners decide to make the migration after discovering these statistics:
Shopify is 3-6 times less expensive to build then a Magento store.
Shopify is between 1-3 times less expensive for monthly maintenance than a Magento store.
A shopify store is around 50% faster to build then a similar Magento store.