YouTube. Also ultimateguitar.com
1.Sign up on musical classes or musical schools
2.Search out the web and find free lessons and tips (there's free lessons and teachers who do practice instruments online for almost any instrument)
3.Also you can search for simulate models of bass on net.
4.Buy a cheap bass guitar, give your soul to it, play, practice, … Read more
Maybe you can have a friend or family member help you complete some of the projects. Or you can give some of your clutter away to charity. Or you can take it one step at a time instead of trying to do it all at once.