perhaps with a very high gear ratio? it turns out there is a whole market segment for motorized blinds-- but all quite pricey and mostly focused on industrial

perhaps with a very high gear ratio? it turns out there is a whole market segment for motorized blinds-- but all quite pricey and mostly focused on industrial applications. How much would people pay for a low-cost kit to work with existing blinds? Will add these to my consumer products idea list the next time I meet with my product-development/manufacturing friends...