Hello InstaDRY,
Give Method support a call at 1-888-925-6238 x2. Support can help you diagnose the issue.
Check your conflicts list by going to QuickBooks -> Resolve Conflicts and see if the invoices appear in the list. It will give you a conflict message if they are in there.
Greg
Greg Bilous
Community Support Specialist
Method Integration
g.bilous@method.me
Toll Free: 1.888.925.6238
Local and overseas: 416.847.0400 ex.756
Fax: 416.640.6027