well you would only need these plugins if you are serious about using them. this means you will have made thousands of dollars by making/editing sounds. 1500 is nothing to a pro.
i know a guy that spent like 5 years saving up for a beat setup. he had been playing around studios before then...
he spent around 8,000 on the best hardware u could get. a lot of money to spend on a hobby? his first beat sold for 2 grand (although if he didnt know people from studios it would have taken more time to get this kind of money for someone who hasnt sold beats before and maybe would have had to work months to get in this price range) and within 2 months the equipment had paid for itself.
the philosophy usually is:
if you know how to use something, and it is expensive, it will cost you nothing at all.