It’s well known that three production companies have walked out and Ch4 severed the DIY Chateau spin off programme with them.
Actually they are very money savvy. She sells all her “wares” through a separate company and they’ve just launched their Salon subscription service where you pay a monthly fee for a load of rubbish.
Don’t think they are all that it seems. Also don’t forget he had his own tv programmes with his first wife, then did one with his eldest son and now this with second wife and second family. Illusion is everything.