Well, I have:
-2 checking accounts
-3 savings accounts
-5 investment/IRA accounts, including 2 custodial IRAs
-HSA account
-2 credit cards, one of which has 3 users
-1 kid in college, one in HS
-college savings accounts for 2 kids, one being drawn down
None of the above include the retirement, savings and credit card accounts of the new wife.
Yes, there is an argument to consolidate accounts and simplify other aspects of our lives, but this is about right for my life at this point. It will be less complex in a few years as the kids get older.
Well worth $40-50/year to get a daily snapshot of spending and balances.