First you'll need to get some experience and knowledge of Africa and it's animals etc...... then you'll need to get yourself equipped, then be prepared to work for nothing for the first year or two at least.... then you'll need to qualify, after which you can begin acquiring experience as a PH. - It's a shed load of fun but don't ever expect it to make you rich........ it's difficult - but it's not impossible.

You might like to do a search on some of the forums as the subject comes up from time to time and a lot of your questions have probably been answered elsewhere already.

Getting the initial experience is one of the biggest hurdles.

Hope that helps!