I am sure others will post this advice but ...
NEVER NEVER NEVER NEVER !!
pay upfront for a course even if they offer a discount, always pay as you go, if the company folds like so many have, they will take ALL your money and you will have a 0% chance of getting any back. I learnt this the hard way my friend, don't do the same. Of course this is only and IF
But even the modules added up sounds a fair price