I made her put together a budget and send it to me where she incorporated all household cost and expenses. 

You can take the opportunity to get more detailed paperwork filled out then if you need it, such as setting the tenant up on your property management portal.Additionally, asking follow-up questions about total occupants, pets, and more can help landlords compare the current household to what is on the lease agreement if you did not have an estoppel agreement.All the best!

Presumably the dry cleaner uses chlorinated solvents (many now use petroleum-based chemicals which are "greener"). 

The actual amount is dependent on the type of tenant...if they are lower, or fixed income, they obviously cannot afford a big hit, but if they are a typical dual income household, they just tighten their belt a little.

However, there are people that renting is discretionary, like recent high school and college graduates, and other newly formed households.

A sewer line was repaired in 2012 and trees removed. 40 year old community, homes 20-30 years old.Population of town: 8000 (20,000 within 10 miles), median household income $29,000, median rent $616, median home $62,000.2014 P/LRents: $23,144Expenses:  $9132mgt. 1889maint: 1032util.: 393trash: 2890Lawn: 1750Ins.:  481Licenses and misc:  696Net: $ 14012 (40% expenses)--------------------------------------Using: 15*140*12*.5/.15=$84,000 value ballpark  assuming 50% expences and 15% Cap.

If she can afford to buy the house from an investor and if her husband is agreeable they can use her income as a member of the household to qualify for a modification.

Seems a lot higher than the rest of the country - (median household income $53,046) but here it is $76,495 (as of 2012). 

Capital assets include a home, household furnishings and stocks and bonds held in a personal account.

I started off wanting a job for financial security.After obtaining financial security in the household, I was reluctant to quit my job because I lacked the courage to let it go, even though I wanted to focus on family.Now I have the opportunity.