By buying this bundle you remove all the headache of the individual purchases. You are also ensured that if any new course is published during the first quarter of 2021 (till March 31, 2010) you'll get access to that course as well.

The total price of the individual courses is 19+29+29+39+39+39+49+49+59+99 = 450 USD and the price of this bundle is only 120 USD.