The following steps detail how you manually add a lead:
Click Lead
Click the + button
Insert the Address of the Lead in Address, and select it from the dropdown
Select an existing Seller's contact in Select existing contact, or insert First name and Last name. If you have the Seller's email and/or phone number, insert them as well
Select the Campaign
And click Save.
If an error message appears Cannnot create lead, it means you didn't insert:
An Address
The First name
A Campaign
Click the Edit button
Edit the Lead's Address, Street, City, State, or Zip Code, and click Save
To edit the General Information, click the Edit button
Edit the Lead Status, Campaign, Lead Temperature, or Qualified Lead, and click Save