You absolutely can change the header (top line) and footer (bottom line), we have however tested time and time again that the current message will capture the attention of more sellers to actually call you.
You can change the message if you like just know that your call volume may not be as high.
The current message is to attract a wide variety of deals from wholesale, lease options and rehab, if one of these strategies is not something you want to take on in your business, we recommend you find someone that wants those kinds of transactions you don’t want and get a referral fee for your marketing efforts. We like to leverage every potential lead and we want you to do the same.