MAILER AND AUTOMATIC MAILING SETUP

HELLO PLEASE READ CAREFULLY IM SETTING UP A MARKETING CAMPAIGN AND I NEED AN AUTOMATIC MAILING SETUP CAMPAIGN WITH A MULTILANDING PAGE .FIRST I USED MAILCHIMP WITH LEADPAGE CONNECTED BUT AS THERES A CHECKOUT IM UNABLE TO SYNCHRONIZE BOTH ACCOUNT TO THE SAME STRIPE ACCOUNT . HAVE TRIED TO SET UP MAILCHIMP WITH LANDING PAGE BUT I NEED MULTI STEP LANDING PAGES FOR MY CAMPAIGN AND MAILCHIMP DONT DO IT SO I BADLY NEED SOMEONE THAT WILL BE ABLE TO HELP ME SET IP UP REALLY FAST IN NEXT 2 HOURS MAILER SYSTEM CONNECTED TO LANDING PAGE AND BOTH CONNECTED TO THE SAME STRIPE FOR CHECKOUT AND ALL SYNCHRONIZED .THANKS PLEASE BEFORE APPLYING BE SURE TO READ AND UNDERSTAND WELL MY ISSUE