anyone tried centauracademy seminars ifso anygood and

Take what it costs.

Divide by 3

Put a third in your account

Learn to trade.

Loose first third in process

Put second third in

Continue learning to trade

Loose second third in process

By the final third, if you still haven't figured it out, betfair is not right for you.

Betfair offer seminars which can get you started. Use those. Buy a couple of books. Use those.

But don't go to a "trading seminar" for betfair.