Not everyone needs the same type of composite bonding course as some people are just starting out in this field, while others already have experience. That is why the price for these courses differs. Some can be basic which of course will be cheaper, while others may cover advanced techniques, which of course will cost more. The format can be online or live, which means that the materials used will or will not be covered by the provider, so this is one more difference. There are aspects that influence the costs, that is for sure.