Attorney fees for will preparation vary, with a simple will costing $35 to $150 or more. Preparation of reciprocal wills with appropriate trusts where there are minor children and a couple's estate is valued at $500,000 averaged $483 across the country in a 1982 survey by management consultants Altman & Weil, Inc.

Among other sources for assistance in will preparation: District of Columbia

Neighborhood Legal Services, 628-9161. District residents only. Single people earning up to $72 per week; married couples, up to $91 per week (and an additional $20 per week for each dependent) qualify. Maryland

Montgomery County Legal Aid Bureau, 445-1202. County residents falling within federal poverty guidelines.

Montgomery County Legal Services for Senior Citizens, 445-1050. County residents over 60.

Montgomery County Pro Bono Project, 445-3210. County residents falling within federal poverty guidelines.

Prince George's County Legal Aid Bureau, 445-0200. County residents falling within federal poverty guidelines.

Prince George's County Senior Citizens Program, 445-3200. County residents over 60. Virginia

Alexandria Legal Aid, 838-4080. City residents only. Single people earning up to $125 per week; married couples, up to $165 per week; couples with one child, up to $204 per week.

Arlington County Legal Aid, 841-0304. County residents only. Same earnings ceilings as Alexandria.

Fairfax Legal Aid, 691-0600. County residents. Same ceilings as Alexandria.

Prince William Legal Aid, 703-368-5711. County residents only. Single people earning up to $112.50 per week; couples, up to $149.51; couples with one child, up to $186.53. For people 55 and disabled or 60 years and older, the earnings ceiling is $126.36 for one person; $162.25 for two.