It is also important to Incorporate. Then it is more difficult for them to take your home and vehicle in case of big dusputes. Use a competent Accountant. Keeping good honest accurate records is very important.
If you build it they will come!
If there is a Cover over the side Discharge Chute, ("mulcher") Remove it and try mowing without it.
Plastic chutes are available for most mower owners who don't like the 'mulch' feature.
IF you have sharpened the blades and Checked top and bottom of Spindles for nut and blade(s) tightness, Belts tight and in good condition, then check Blade length. If all of the above are ok then IDK. Try longer blades?
Try mowing when the grass is no more than 4" high once you have determined that you have the correct blade length. The 'teeth' on the belts do not keep the belt in 'time'. Check Spindle nut tightness and blade tightness.
Do your blades have engagement cutouts in the centre of them? Remove the...