It allows for easy navigation between different programs (eg airline/hotel etc) as well as allowing me to see my spending from all sources in one place with customisable charts showing what I spend where over time! The price tag may be an issue if you are looking at building your own software however there should always still be plenty that can work off-the shelf or even use prebuilt components provided by other companies such as Aribnb's platform - this was our starting point when we built ours but once it works out how much functionality they provide then its very cheap compared to some others so worth considering too!! We've been able solve many problems related to reporting & data management including multiple account setups within 1 system without having duplicate systems running.