They all care about listing otherwise their coin will not be tradeable and the team can't dump their own tokens. However, exchanges are expensive and some can't afford it
Good exchanges are very expensive, but it is often the choice of the exchange also depends on its price in the market, which is very important for the team. For good looking teams, this is a must - have item to perform, even if it takes time
Yes ...Of couse.. You always have to look for that exchanger and wait for the price for which it will be profitable to exchange your tokens from the bounty. Sometimes it is very long)