At least 42 Democratic and Republican candidates for partisan office in Florida have asked the Governor and Secretary of State to waive filing fees. Florida has the highest filing fees, by far, of any state. Candidates for congress need over $10,000. Florida has procedures for petitions in lieu of filing fees, but the health crisis has made petitioning very difficult. See this story.
On April 2, the Florida Secretary of State issued an emergency proclamation deleting the requirement that only original petition signatures can be submitted for verification. In Florida, candidate petitions are one-signature forms. Presumably this means that candidates can submit photocopies. The rule change does not appear to allow electronic signatures, although this is not clear.