
Basically, I agree with Tim, Phil. If you have enough natural talent and perseverance you can 'manage' with second hand clubs, as long as the toe doesn't stick in the air when you shape up to address the ball.
I've discovered in recent years that the right lie is paramount, so that all of the sole of the club makes contact with the ground at the right time to keep the clubface square at impact.
Because I keep my hands low - and I'm not tall - clubs I've had custom-fitted for testing are 4 degrees flat (compared with the standard lie).
Bottom line is start with second hand clubs, then try a wide variety of new clubs and once you've discovered you really love this game and that the clubs are an investment in your improvement, buy new and get them custom fit to the swing you have established.