There are a lot of similar ads on all forums now. I try to treat her with an open mind and pay attention only to the recommendations of real people. As for the light bulbs, now the most relevant is the
smart bulb. I bought myself a couple of such bulbs to save energy so that in case of departure, it would be possible to remotely turn on the light in the apartment, creating the appearance of my presence at home. It is usual since I rent an apartment in a dangerous area and often go on business trips.