The Supreme Court is more likely to grant "cert" when there is a conflict on an issue between or among the lower courts. Examples of these types of conflicts include all of the following except when there are conflicting decisions among different courts of appeal concerning the same matter.

when the president has spoken out publicly in opposition to a lower court's ruling in a case.

when decisions by an appeals court or state court conflict with Court precedent.

when state court decisions conflict with federal decisions.