How to Build a Landing Page for a Single Product
A single-product landing page is a different job than a storefront. Nova's guide to building a simple online store covers the case where you're showcasing a catalog of items, a shop with several products people browse. This page is about the opposite situation, one specific product, a physical item, a digital download, a piece of software, and one job for the page: explain what it is, why it's worth buying, and get to a clear purchase link, without splitting attention across a gallery of other things.
Describing your product to Nova, for example "a landing page for a single ceramic knife sharpener, with what it does, who it's for, and a buy link to our payment page," produces a page structured around that description, with a live preview before you publish to a free getnova.pro subdomain; there's no account to set up just to build it and look. Because the explanation is built around your actual product rather than a generic "shop now" template, the draft starts closer to something that answers a real buyer's actual questions, what it does, how it's different from alternatives, and what happens after they click buy.
Worth being direct about scope: Nova builds the page itself, but it isn't a payment processor or an inventory system, so the buy button needs to link to wherever the transaction actually happens, a Stripe payment link, a Gumroad page, or a checkout hosted elsewhere. That's normal for a single-product page regardless of what builds it, the page's job is to convince someone and hand them off cleanly, not to process the payment itself.
FAQ
Long enough to answer real objections, what it is, who it's for, why it's different, and what buying involves, but not padded with filler; a genuinely simple product might need less space than something that requires more explanation to understand.
Usually yes for a single, clearly defined product, since hiding the price tends to create friction rather than curiosity for something this specific.
Yes, if you actually have them; don't fabricate reviews or testimonials to fill space, since that undermines exactly the trust a page like this depends on.
Describe your product to Nova and see a focused page built to sell that one thing.