Painting a backdrop

Need your help again, working on a Nativity Event at Church.

Want to paint a backdrop along an entire Gym Wall. Will be painting
on bleached Muslin. Backdrop will be 55feet long, and 9 feet high.
Have a real artist doing the layout, a pretty decent cadre of painters
scheduled to help. My big question is paint. What will work well on
this. It would be nice to roll it up when we are done and have it
for use in the future.

Should I run material through washing machine first?

I understand that I would not want paint caked on, as it would flake
off when stored. I would very much like to buy mis-tint latex house
paint at Home Depot, and have them re-tint it to my approximate color,
I could get that for 5 bucks a gallon. I was thinking then I would
water it down, and paint the cloth. Any chance that would work? I
have a limited budget, but got the cloth cheap, using half off coupon
at fabric store, they had 15yards x 108" wide, no weight is listed on
the bolt, but it is pretty light. If the latex would only work for a
single application (not survive rolling and storage) then I will
probably still use it since I can get it so cheap, and we will just
give up on storing it. In fact the main reason for thinking it
would be good to store for re-use would be more the hours put into
painting, not the actual money spent on supplies.

Anyway, any thoughts would be appreciated. Going to a more expensive
paint is pretty much out of the question, just do not have the budget
for it.
.

Relevant Pages

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