Do you want to add a Subscription Form on the home page to collect email?
Because Email marketing never stopped gaining pace as a method of promoting services.
In that case, You can easily do that.
Go to the Home section you will find a Rich Text Box.
On the rich text box, you can add Sortcodes of any email service provider like Mailchimp, Sendinblue, Constant Contact, GetResponse.
For example, Install MC4WP Plugin on your WordPress and connect with Mailchimp. Then create a form and copy the shortcodes of that form on the rich text box.