I have given advice on nearly 20 CVs. I have improved and redesigned CVs for friends and relatives. All with pretty good outcomes :)

So at least you have one person on that side of the marketplace. However, I think petervandijck's question is the critical one:

- Are "fresh-out-of-uni" job seekers ready to pay? Can you do an experiment at a career fair at your nearest university. For $1, $5, $10, $20?

- What folks who want to make a career change? Where can you find them? Perhaps at industry fairs, or niche career fairs? How much would they pay?