Comment 6 for bug 1818450

Just adding my vote for this feature.
I see draxil mentions YNAB as an example.
I think it can makes to have this as part of the whole budget.

One interesting example on how those "saving goals" have been implemented by a bank is the Pots by Monzo (https://monzo.com/blog/2017/11/20/pots).
They're like "children accounts". When moving money from your account to a pot, the value is substracted from the main account total.