Are you not aware that the Messenger of Allah ﷺ had observed:" He who died in protecting his property is a martyr." (Using translation from Muslim 141a)
أَنَّ رَسُولَ اللهِ ﷺ قَالَ مَنْ قُتِلَ دُونَ مَالِهِ فَهُوَ شَهِيدٌ وَقَالَ عَبْدُ الرَّزَّاقِ مَنْ قُتِلَ عَلَى مَالِهِ فَهُوَ شَهِيدٌ