mayby a little off topic but still figure related A LITTLE HELP please

HI ALL i understand this is not the norm here. but could use a little help this is the first figure i did this scale and only the second i have airbrushed. i taped off the clothes to spray the body color and realized i probably did this backwards. because how now will i spray the clothes i would have liked to airbrush them and was told i could not tape over what i had painted. but want a better opinion .the paint is tamiya and the tape is also tamiya , also i have some liquid latex and have heard i could use this as a mask how and on what kind of models can i use on ??THANKS FO THE HELP