Yes
The teams own their own private jets, obviously they don't have to pay.....
Yes
They have to work off of the free agents and the draft
No, players that are able to make teams as early as the junior level are sponsored according to the contracts their teams have with equipment manufacturers such as Bauer, Nike and KOHO.
Yes. All the equipment they receive is free of charge.
When a team has a player whose contract has expired, he goes into free agency. This is when teams submit offers to players whose contracts have expired from other teams.
A walk on player receives all the athletic gear a scholarship player would typically receive (shoes, hats, shirts, etc.), and depending on the University he attends, may receive a special parking permit. Walk on players also receive all gifts, travel fees, and get free hotel stay should the team make it to a bowl game.
You receive free insurance, travel opportunities, and free housing and meals. Source: FLVS
The only was a baseball player can change teams is by trade or receiving a contract offer if they're a free gent
Street Teams are a marketing group and in this case they would promote the band and concerts they participate in. Bands often have unpaid street teams that only receive free merchandise for their services.
1760, 55 Players on a roster, 32 teams, 55 x 32 = 1760. However, there can be an unlimited amount of free agents so the number of players in the NFL can constantly change.
A new basketball team has not been created for many years, but new teams are crafted with different players all the time. Coaches are able to essentially create a new team by making trades with players and signing free agents to their team.