Nothing up front - a good agent will take a percentage from what is made from the book once it is published. Never use an agent who charges any fees up front.
The typical agent's fee is 10-15%
$29.99
49.99 (:
$50 U.S.A. Currency.
They get payed around 10% percent of your earnings, no more, no less
Yes
There are too many variables when rating insurance policys contact an agent or agents and get some quotes.
how much do traffic agents makes
You need to get the latest edition of Guide to Literary Agents in order to find this out - it lists all the agents who are searching for new authors, and you can pick out one who's looking for science fictions writers.
It is not known. Ancient writers did not mention costs.
larger; more varied
Freedom Writers grossed $43,632,609 worldwide.
Pretty much nothing.