Possible Clues:

• Using coupons, say
• Save for being like this it's thirty about forte
• Frugal, turning thirty with five initially invited in
• Unlikely to go on a spree
• Your clothes split, as tight
• Careful with resources
• Conserving plant that grows on cliffs close to Newquay
• Tight old solver's admitting disagreement
• Wanting to save money, your old clothes split
• Economical yard after the short argument