Marvel offers 10 Landmark Stan Lee Comics for free (to read online). That saves you around $2 per comic compared to buying these issues on Comixology. Each issue celebrates a milestone in the late legend's career, from his first writing, through the establishment of his most famous characters, and even his late-career collaboration with Moebius.
The dollar store is the most amazing place to find bargains for certain purchases. Yes, even pregnancy tests.