Ask someone at the reference desk of your local public library for the Occupational Outlook Handbook. It lists all kinds of information you would need to know,(including the salary) of just about any occupation you can think of.
The earnings of a travel consultant cannot be directly measured and it depends on the client to whom he is serving. If the client is happy he can tip him of a huge money.
If at all such a person is...
Assuming a simple developer fee... (financial investment has much higher POTENTIAL paybacks, and accompanying risk)
Depends on scale of project. Mostly between 5% and 8% of total costs. Can be...
It depends where you live. A travel guide typically earns $33,300 in the United States. This makes it better paid than most personal care or service workers.