No. On Headless templates the pages, forms and confirmation emails are already set up. You replace the sample content with yours.
Yes, a free one to start. Headless arrives as an invite, usually within 24 hours, and a premium plan lets you publish.
Yes. One purchase covers one live site, for you or a client. For more sites, buy another template.
No. Apps are separate subscriptions from the Wix App Market. They pair with the real estate templates.
A custom site needs its own hosting, database, CMS and payments. Wix Headless runs them in one project on one plan.
Yes. Collections and dynamic pages are wired, with sample content to replace.
Either works. In Wix Studio you can edit in the editor, or ask Aria, the Wix AI assistant.