I make good money but have no idea where it goes each month. Would Dave Ramsey say I need a budget or just more discipline?

Both, and they are not as separate as you might think. Discipline without a system is just willpower, and willpower runs out.
AOL

Dave Ramsey Says To Budget for These ‘Four Walls’ Before Anything Else — And In This Specific Order

In a series of tweets, Ramsey suggested budgeting for food, utilities, shelter and transportation — in that specific order. “I call these budget categories the ‘Four Walls.’ Focus on taking care of ...

My mortgage payment is eating most of my paycheck – here’s what Dave Ramsey told me to do

Buying a house is a big life milestone for many people, but sometimes it can cause financial trouble. For example, one caller ...
KTAR News

Dave Ramsey says: Construct a business budget fit for your business

I have a 150-acre farm, and I recently began running my operation debt-free. The problem is that I have $250,000 in debt from bad financial decisions in the past. Plus, the varying expenses in my ...