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.
The Hard Facts and Figures: Finishing a basement added a national average of about $45,000 to the resale value of the home in 2010. Building an addition or buying a larger home cost about $150 to $200 a square foot, while finishing a basement cost $40 to $75 per square foot.In general, unfinished basements add between $10,000 to $20,000 in value, not much-according to appraisers I talked to.he Hard Facts and Figures: Finishing a basement added a national average of about $45,000 to the resale value of the home in 2010. Building an addition or buying a larger home cost about $150 to $200 a square foot, while finishing a basement cost $40 to $75 per square foot.