I have a 5 gallon bucket of Glidden water based PVA primer and sealer for $65. Can deliver in Redwood City or Pacifica.
I also have a 5 gallon bucket of Krylon Ceiling paint. This is a flat heavy bodied paint used for painting ceilings as it does not drip.
It is white and flat. Factory seal still on and un-opened. This paint is also good for walls. It is an interior paint. Can be tinted.$75