Work / English qualifications to start Teaching English In Poland. Is degree of some sort needed? [123]

I am an English native speaker and teacher from the US.
I have been teaching English for 7 years in Mexico and Asia I am going to go to Poland with My half Polish 7 year old son and my Asian Wife to teach English.

can I find work and cheep housing in Poland?
What is the cost of living and I don't have a TEFL or degree of any kind just a lot of OJT.
Will I still be able to make a living in Poland?