If you only enter a "From" Sale Date, the Search Results will display all Sales starting at the "From" Sale Date on up. If you only enter a "To" Sale Date, the search will display all Sales up to the "To" Date that you entered.
If you only enter a "From" Sale Amount, the Search Results will display all Sales starting at the "From" Sale Amount on up. If you only enter a "To" Sales Amount, the Search Results will display all Sales up to the "To" Sale Amount that you entered.