Only way I know how on that is to harvest the CUB from the DEC-BUSD farm and then stake it into the kingdom. So you're looking at two transactions. As long as you're over $0.50 or $1 you should break even from fees. That's king of the big negative of Farms is if you have a low amount to start with the fees can really eat into your profits. Kingdoms makes it beneficial ever for the small accounts to grow big!