Lacerte has this snifty feature:
Go to where you expect the info/amount to appear. Right click on that field, then click on "jump to input". That will *usually* take you to where you to input the info (or give you the various options when there are multiple places).

You might find this thread interesting:

https://proconnect.intuit.com/community/proseries-tax-discussions/discussion/schedule-c-maximum-defe...