just get some spackling and a small putty knife and fix all the holes, let it dry for a day, checking for shrinkage in the material, then roll it out.
Really no big deal.
Caulking is about $1.29 a tube.You can get some cheapo paint for less than $10 a gallon and do it. get some friends and roll it out.
OH< be sure and use plenty of tarps for flooring and other stuff. This could cause you more problems than the holy walls.
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