very good that your time is so very limited. fink can only install in root mode. when it changes netinfo, its of no concern when you trash sw.
you also have to add the path in bashrc or whatever shell you use.

export PATH="/bin:/sbin:/sw:/sw/bin:/sw/sbin:/usr/bin:/usr/sbin:/usr/local:/usr/local/bin:/usr/local/lib:/usr/local/man:/usr/local/share:/usr/local/include:"
declare -x PATH="/bin:/sbin:/sw:/sw/bin://sw/sbin:/usr/bin:/usr/sbin:/usr/local:/usr/local/bin:/usr/local/lib:/usr/local/man/:/usr/local/share:/usr/local/include:"
declare -x MANPATH="/usr/share/man:/sw/share/man:/usr/local/man/:"