$500 worth of used personal property in a $100,000 sale?
I tend to ignore most personal property like stoves, refrigerators or wall air conditioners since the market now tends to consider these items as "going with the house". Quite frankly, I'm not sure that stuff can be measured in the market place. Years ago, we did sort of a symbolic adjustment for appliances. I don't even put that small stuff in the sales grid. I don't consider it significant enough to be a factor in the market value.
Big stuff like pontoon boats, ski boats, snow mobiles (actually had three sell with a house once), big lawn tractors, furnishings, etc., if the broker or the seller does not break them out of the P.A., then I estimate their value and do a dollar for dollar adjustment in the sales grid. They are better off telling me what they are filing as personal property because I'm not real good at used jet-ski values.
We use a canned statement that no consideration is given to personal property, mineral rights or value of any standing timber. That just about covers most of the extra junk that will mess up a good appraisal.