The buyer switched from conventional to VA after signing contract. How could this affect me?

I got a message today that the "lender has switched the buyer to a VA loan instead of conventional". Buyer's agent wants to get us a gift card to cover the seller (me) having to pay for VA termite inspection. What are the risks with this?

I am also slightly concerned about the VA appraisal rules. There are zero comps in my zip code in the last 100 days that match my number of beds/baths, so I have no clue how they will do the appraisal.