I'd recommend them. Just pick a spot on the wall like an outlet and you can get some good practice in, especially getting familiar with the gun and bring on target quickly from a draw. Plus it's just fun if you're sitting there watching TV or something. This is the one I have and have had no issues.
Pink Rhino - 9mm Laser Bullet - Dry Fire Trainer-Integrated Snap Cap for Dry Fire Training https://smile.amazon.com/dp/B07K34W265/ref=cm_sw_r_cp_api_glc_fabc_-cCbGbEZB932C?_encoding=UTF8&psc=1