I would suggest Woocommerce. It has a huge community with almost any plugin or theme you can think about. I am not sure it makes sense to do it in your case, as you are likely to spend more time on the store, and less growing your business.

Some managed hosting options at different price levels: Kinsta.com WPXhosting.com SiteGround.com NameHero.com

Some themes, plugins, that can help you get up and running quickly: Elementor.com kadencewp.com/product/kadence-woo-extras/ wpastra.com/woocommerce/ commercegurus.com/product/shoptimizer/

Some other useful links to get you started: woocommerce.com/product-category/woocommerce-extensions/ youtube.com/channel/UCjDuxPEhNQ2qn_qAdjRG4YQ/videos