Anyone (idealy with a medical background) have any clue what these tiny red dots on my arms and legs are? I would go to doctor, but 'murica, so i cant afford to

Rrlevant info:
Location: all over legs, "outer" sides of arms
Duration: as long as i can remember
Age: early 20s
Gender: Nonbinary (AMAB)
Pre-existing conditions: nothing physical, laundry list of psychological (AuDHD, Anxiety, Depression, Dysphoria, few other things Im probably forgetting)
No pain

Boosts welcome