Answer:
air fryer do not use oil and it is good for your health whereas A convection oven is an oven that has fans to circulate air around food to create an evenly-heated environment. The increased air circulation causes a fan-assisted oven to cook food faster than a conventional non-fan oven, which relies only on natural convection to circulate the hot air.
It is more cost effective to work at home but you will have more focused at the gym rather than working out at home because if you're at home sitting on the couch you most likely won't want to get up and work out but if you force yourself to go to the gym once you already there you will work out more in focus more and you have more options for exercising at the gym since there are more machines
