| ''(Optional)'' Whether to multiply the price by the difficulty modifier, which reduces the price for higher [[options|profit margins]]. This can be <samp>true</samp> (always apply it), <samp>false</samp> (never apply it), or <samp>null</samp> (apply for certain items like saplings). This is applied before any quantity modifiers. Default <samp>null</samp>. | | ''(Optional)'' Whether to multiply the price by the difficulty modifier, which reduces the price for higher [[options|profit margins]]. This can be <samp>true</samp> (always apply it), <samp>false</samp> (never apply it), or <samp>null</samp> (apply for certain items like saplings). This is applied before any quantity modifiers. Default <samp>null</samp>. |