Yes you can do this but the question is, will 100% of your sales orders/quotes become invoices. if they don't your invoice number sequencing will have gaps.

Great point BigLouie

Indeed. 

Most often this kind of "can we change a core functionality of Sage 100 to make it work with my bright idea?" request is just someone trying to superficially make things "easier", while in truth their idea would do just the opposite (when drilling down into the details).

Indeed. 

Most often this kind of "can we change a core functionality of Sage 100 to make it work with my bright idea?" request is just someone trying to superficially make things "easier", while in truth their idea would do just the opposite (when drilling down into the details).

And it sets you up 3 to 5 years to have a meeting to explain "why we ever did it this way" and "whose idea was this?". Unless you are taking transcript-like notes it's almost impossible to go back 5 years and explain the reasoning.

This becomes a bigger issue in companies where the CFO turns over steadily and each successor implementers a slightly better way of doing things.