Q.ALL my houseplants and succulents have brown leaves and are all falling off
I’ve treated all my plants w alcohol spray, gave them all baths, repotted-I’m at a loss! I’m losing all my babies and getting so frustrated! Some have holes on the leaves, and they all are turning brown and just fall off at the slightest bump…

Certified GKH Gardening Expert
You may have a watering or temperature fluctuation problem, but it sounds like a fungus issue to me. Here are links to two articles that will help:
https://www.gardeningknowhow.com/houseplants/hpgen/desperate-houseplants-dealing-with-common-houseplant-diseases.htm
https://www.gardeningknowhow.com/plant-problems/disease/anthracnose-disease.htm,
and another from Texas A&M that may be helpful: https://plantdiseasehandbook.tamu.edu/landscaping/flowers/cacti-and-succulents/