T-Mobile's pricing is quite straightforward (but more expensive than you state). $50/line for 2 lines, $10/watch for 2 watches, $5/line for international plan

T-Mobile's pricing is quite straightforward (but more expensive than you state). $50/line for 2 lines, $10/watch for 2 watches, $5/line for international plan adds up to 130/month and I pay 130/month, nice round flat numbers for years now taxes/fees/etc are all rolled into the advertised price and not hidden after the fact.