There is no Data Transfer charge between two Amazon Web Services within the same region (i.e.
Pricing is per instance-hour consumed for each instance type.
Both purchase options include Amazon EC2 compute charges and SLES subscription charges.
Pricing for all instance sizes and AWS regions can be found on the EC2 Pricing page. Q: How do I find out if I am eligible for the Amazon Free Tier?
Or maybe a certain version of one package needs the content of another package to be at least on a certain version or newer. The package manager will tell you if such dependencies exist.
You can't break the system by following what the package manager tells you - so stay away from any "force" option!