I thing what you might have is, Acanthosis Nigricans, it's a skin pigmant disorder, that usually occures in obese people, I have acanthosis nigricans, under my arms, on my inner thies, on my elbows and knees, and behind me knees, and on my arm where my elbow bends.
Dear Angie: I want to hire a reputable air duct cleaning company. Dear Barbara: Weâve seen a lot of reports from Angieâs List members in which they were quoted prices anywhere from $49 to more than $1,000 for the cost of air duct cleaning.
1 According to the RemodelingExpense.com cost estimator, a basic ductless air conditioning system installation costs $1,400 to $1,600, with a total average cost per unit of $1,500.2  A better type of work can cost $1,800.00 to $1,975.00, or a total average cost per unit of $1,887.50. According to the RemodelingExpense.com cost estimator, a basic ductless air conditioning system installation costs $1,400 to $1,600, with a total average cost per unit of $1,500.