Interesting... Interested...

French speakers often misuse the word interesting because it has two senses in French:

Definitions of intéressant

adjective

Digne d’intérêt.

Des lectures intéressantes .

Profitable.

Des profits intéressants .

In English we only use the word "interesting" to mean "digne d'intérêt". It is only about what your mind likes to think about. If you are talking about money you must always say profitable or advantageous in English.

Remember to say "I am interested in..." not "I am interesting in..." 

See this explanation.