Were Do I Start

[69 longy]

Ok I Have A 69 Longy And I No Its Kinda Of A Dummbb Question That Iam Asking But Where Should I Start I Already Got The Body Done But What Should I Start On I Need To Switch 3/4 Ton To 1/2 Ton , Need Paint I Have The New Motor And Tranny In It Already Also I Need To Drop It And Put Bags In It And Put Rims New Seats And Paint Inside And Get Radio And Woofers
Tint And Put Windows In It And Stuff So In Any One Opionion Where Should I Start
And Also Need To Clean Up Frame So What Should I Do And Take Off Before I Start Please Help