I have a 1992 honda civic ex the last time it was used/driven was on2007. Very old car but how much money should i save-to modify everything?

I have a 1992 honda civic ex the last time it was used/driven was on2007. Very old car but how much money should i save-to modify everything?

Unless it has very low miles, has been garaged and is in very good condition you will be throwing good money after bad.