Affordable Diy Home Security Systems . There’s the basic plan that goes for $200. It was developed just in 2020. The 70+ Best Affordable DIY Home Security Systems of 2017 ⋆ YUGTEATR from www.pinterest.com Then there’s the professional plan that has a max monthly fee of $24.99, though that is optional. Ring's most expensive home security kit is a little over $300, when. The product is quite new;