Q.1 : yes and no, that we get in war and die.. and thats the end of the earth we know it.
Q.2 : Yes. send where in the galaxy we live and they are welcome to have a drink..
Q.3 : Just to find some one..It´s a good project and we have to know that we are alone or not. Nope don´t have any suggestions. just keep it up..
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.