Texas sales tax on lawn care business?

Troy-Bilt TB310QS Mulchinator 31cc 2-Cycle Gas-Powered 165 MPH Blower/Vacuum

Blowers clean up leaves quickly and easily, or use them year-round for all-purpose clean up of dust, debris and dirt on deck, etc. The QuickShift enables it to switch from blower to vacuum with a flip of a lever! High performance with commercial-grade engine for extended life. Blower/Vacs have high-impact impellers that automatically mulch debris. 3/4-bushel bag capacity with zipper for easy use. Bag empties without removing it from the unit. Dual handle for left-or-right use. Lightweight, compact design for easy handling. Blower Type: Handheld Blower/Vac, Cylinder Displacement (cc): 31, Air Velocity (MPH): 147, Air Volume (CFM): 424, Tool Weight (lbs.): 19