Glue squeeze-out can be wiped up with a wet rag, but this can drive some of the glue into the wood's pores. A method preferred by many pros is to allow the squeeze-out to form a thick skin (usually about 15 minutes), then use a sharp chisel, paint scraper, or cabinet scraper to remove it. A 1/2- or 3/4-in. chisel is handy for glue removal inside corners or next to mouldings.
Paint walls from the top down. If you are using a roller, start by making a large “V” or “W” (3’x3′). Then fill in between the gaps, blending into your initial stokes. Always work from the unpainted into the painted area.