Recycle
How to
Old computers
Staples has a recycling program and you can simply drop it off at a store.
Apple products can be traded in or recycled. They will ship a package.
Carseats
Target has an annual recycling/trade-in program in April or May (may not happen for certain years).
Walmart may also have an occasional program.
Otherwise, it should go to the garbage. Strip it off and recycle as much as possible.
Cardboard boxes
Cardboard boxes are recycle pretty well. The tapes can be pre-processed so don’t worry about them too much.