Good Morning,
I am wanting to get into photography mainly sports. It would be great If I could get some advice.
What camera would be best to start out with ( Happy to go 2nd hand) ?
What are the best site to pick up some good bargains?
Thanks in advance
My advice is don't worry about the camera. As a photographer, you should try to improvise rather than aiming for a better camera.
In your case of saying "mainly sports" it is difficult to answer because you did not say what kind of sports as they're all different. Outdoor and indoor sports, fast moving like a runner or steady stationary like a dart player, etc., etc.
No matter what equipment you have, try to improvise.
For example, if you only have a 28-200mm lens and going to a basketball game, don't buy a cheap ticket and take a seat on the main grandstand. From this position, the 200mm is not enough to get close up photos of the players.
Try saving up for courtside seat to get closer to the action for a good close up photo of the players. Or if possible, ask at a local basketball club for permissions to be allowed to take photos from courtside.
That's what I did. I have a 28-200mm limited to
f3.5, so instead I opt for courtside seats and use a 50mm fast lens.
Football? Instead of taking a seat at the grandstand, consider doing photography of local grassroot games where you could if possible, take photo from the sidelines or behind the goalposts, assuming if allowed.
If your lens length is short, think of a way to get closer to the game as long as it's with permissions.
Motorsports? If your camera don't have a faster shutter speed, faster auto focusing, or anything like that, to capture a fast moving car on the track, then improvise by taking photos of the cars at the starting line (assuming there is a spectator area near the starting line). A local speed hill climb motor event is a good try.
Build up better experience with a limited camera and kit, by improvising, and worry about upgrading to better cameras and better lens at a later stage, specially if you've decided on which sports event you really want to do more of.
I have a Nikon D200 and a slow 28-200mm, I'm unemployment, not enough savings, so while I struggle to upgrade my kit, so I mainly improvises by finding other ways to do sports photography, until I can save up for better lenses and hopefully a camera.
Get yourself whatever camera you can afford and cope with, and it is better to try to improvise, gain more experience, and at a later date, if you want to upgrade your camera or lenses, you'll know what suits your needs.
I hope your "get into photography, mainly sports" starts well, and goes well, wishing you a good future with your aims.