Hopebridge Registered Behavior Technician interview questions

Had a phone interview, went well, was told what the position was, what was expected of me, Advised me that I need to take an online class which last 40hrs, the class is paid for by the company. however told I was not going to be paid until I pass the exam. I received an offer letter stating upon passing the exam, I would receive a $500.00 payment. I was disappointed in what they offered for pay, however I have been unemployed for almost 3 months, I was offered another position by another hospital for more money, but I would have a heavier workload, and the commute is further away then the first offer, being gas in $4.00 or more I am trying to figure out what is best for me.