Teaching English abroad

I was wondering (to those that have experienced it before) what are the best/most affordable programs to teach English in either Europe or Latin America in the summer. It’d be best if they had different sessions that lasted 1-2 weeks

Start reading here: http://www.eslcafe.com/

And here: http://www.cambridgeenglish.org/teaching-english/teaching-qualifications/celta/

Thank you! @happymomof1