and one possibilety some think as downright revolting: pre pay taxes (municipalites and cantons pay an interest of currently 1.5% for payments that arrive bevore a certain date)
By the way: you can only save when you are free of dept.
So Building wealth starts with getting rid of any debt.
About the only dept that might be considered keeping is the mortgage on your house. This of course depends on the course the Government is going to take regarding the taxation of dept and interest paid on the same, as well as on future income streams or the development of interest rates.