ONly rich can do that such thing, As far as i know, laptop with RTX 3070 is about to range the price of 1800usd plus and morethan that it depends on the brand of the laptop, Laptop cannot handle the heat of its gpu while you begin to use it in mining, even the open case mining rig can reach up to 80c of heat, and that the GPU has a triple fan plus the cooler comes from industial fan, How come that laptpp with a small ventilation survive from heat cause by intense usage of gpu. Just think morethan twice