Budgeting using Total Accounts

Our budget model and entries are based on GL Account / Dimensions combination.

Travel (Header)
Travel - Air
Travel - Hotel
Travel - Transport
Travel (Footer)

The mangement has now decided to keep track of expenses at the total accounts level and any transactions hits the accounts (with / w/o Dimensions) within the range it must check the total accounts to ensure that funds are available.

Therefore, I need to know how to setup Budgeting on total accounts with Dimensions and ensure that fund availability is checked out

Can Anyome Help

Any pioneer can throw some light ?

Ameen have you got some input on this to share?