I agree that stainless steel is bad for coffee (glass-vacuum carafes are cheap and effective), but it usually takes awhile, an hour or more, before I notice a significant change in flavor from exposure to steel. On the rare occasion that I cannot avoid using a travel mug, I use this thermos tumbler.
Braces cost is around $4000-$6000. Braces cost $3,000-$10,000 depending on location and also on what kind of dentist does them, general dentist (cheaper) or orthodontist (more expensive). In European countries Braces usually cost about $5,000 nowadays.
The Average Cost of Braces - 2017. While the average cost for braces is $5,000 to $6,000, some individuals pay as little as $3,000 or as much as $10,000. This is because orthodontic treatment is highly personalized based on both the orthodontist and the patient. Your expenses will depend on your age, insurance plan and the type of braces you wear.