It sounds like generosity. It is an offence.
Texas Insurance Code §707.003 prohibits a contractor from paying, waiving, rebating or absorbing any part of your insurance deductible, and from advertising that they will. A "we'll eat your deductible" offer is not a discount — it usually means the invoice sent to your insurer will be inflated to cover the gap.
That misrepresentation is made using your claim and your name. The contractor leaves town. The policy is yours.
Your deductible is a term of your policy. Anyone promising to make it disappear is describing something they are not permitted to do — and telling you, in advance, exactly how much they are willing to misrepresent.
What you can lawfully do instead: ask about a documented payment plan. TDI recognises a written payment plan with a contractor as evidence relating to the deductible obligation. That is a real arrangement, not a vanishing act.