cost of education in other districts ... violate article VII, section 3 of the Texas Constitution”). 71 . 176 S.W.3d at 797. 72 . In a competitive market, one might plausibly assume that most expenditures are necessary, as those who spend wastefully will fail. But the public schools (like most government operations) are not subject to the same rules; no matter how a district spends money, property owners must pay local taxes, school children must attend assigned schools, and attendance remains free. 73 . W. Orange-Cove I, 107 S.W.3d at 582 (noting that the Legislature may pressure school districts to tax at maximum rates "[b]y authorizing local-option homestead exemptions, k 812 (Tex.2005). 80 . 176 S.W.3d at 796; see, e.g., Gen. Motors Corp. v. Iracheta, 161 S.W.3d 462, 468 (Tex.2005)(<HOLDING>); Volkswagen, 159 S.W.3d at 911 (holding
holding that defendant did not preserve state constitutional challenge to experts testimony at punishment hearing because defendant relied exclusively on federal cases in arguing for exclusion of experts testimony holding that exclusion of experts opinion is proper only if it is so fundamentally unsupported that it can offer no assistance to the jury internal quotation omitted holding that an experts opinion must be based on facts in evidence or within his or her knowledge and that the admission of an experts opinion is reviewed for an abuse of discretion holding that summary judgment on grounds of obviousness did not require a supporting experts opinion holding that experts testimony that gasoline did not escape from filler neck was unsupported opinion