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 cost of braces for your child can be expensive with or without insurance. How much they cost depends on the type of braces your child gets and the length of time he or she must wear them. Traditional metal braces usually cost between $3,000 to $7,000. According to CostHelper, people needing braces without insurance have reported paying an average of $4,937.