I would say that the fact is 'saving' is singular and 'savings' is plural. This dictates the verb that follows. You could say A saving of $20 is ... or Savings of $20 are ...
A basement bathroom can be built for about $15,200, Fred estimates. Of that, plumbing is the largest component. These prices are based on costs for a small bath measuring about 6 by 8 feet, with 8-foot ceilings. However, many basements are limited to a 7-foot ceiling. Another potential cost-saving location for a new bathroom is the attic.
how much will you spend the cost of an addition varies widely depending on the type of room and where you live but just to give you a sense of how much it might cost costhelper com estimates that adding a bathroom or bedroom could run from $ 25000 to $ 50000a bedroom could easily cost just as muchow much will you spend the cost of an addition varies widely depending on the type of room and where you live but just to give you a sense of how much it might cost costhelper com estimates that adding a bathroom or bedroom could run from $ 25000 to $ 50000