Building a list is the first step. You must get permission from people. This is a very important rule. You can ask for a phone number on your website. Offer a free home valuation in return. You can also use "text-to-join" keywords. A person can text a special word to a number. For instance, they can text "HOME" to get updates. This is a very easy way to get opt-ins. You can place thes... https://dataon.site