$500 Can be taken off any iphone model, may work out alright if you find a discounted deal elsewhere & get JB to price match, otherwise not much of a deal see breakdown:

Consider this before signing up:

Assuming your already on a $40pm sim = $480 per year + wanted to buy iPhone 11 Pro 256gb $1999 = $2479

Compare to signing up to JB Deal:

12m sim $780 + $1499 for iPhone 11 pro (after $500 discount) = $2279

Only saving $200 signing up to this deal, unless you can find a good discount on a iphone for JB to price match this deal is pretty average, especially if your on a cheaper sim plan likely saving nothing, but will work out much cheaper than any 24m contract