If I interview someone and they grab the bill for lunch, I would need to specify this, as I would if I use an Amazon link that gets me 8 cents instead of an Amazon link that gets me 0 cents. If someone gives me a comfy t-shirt with a logo and I wear it in a photo, ditto. Disclaimers all over.
Please assume that, for every recommendation, link, and product I use, the following all hold true: