If you live in the UK the food ranges from £3.00 - £12.00 depending on the food and size of the bag otherwise it is from $4 - $10. Hope this helps you.
Yes, you can definitely feed guinea pigs cantaloupe- in fact they love it.
no guinea pigs cant eat peanuts
Bottle feed
Yes
No, Guinea pigs are vegetarians.
Yes you can but in small amounts. it might bloat their stomach if you feed it to them too much ;)
The best type of hay to feed Guinea Pig's are the Timothy hay since it is not too much in calories.
yes of course you can! you can feed them mostly any kind of fruit and vegitable
No. Don't feed guinea pigs any kind of salt.
Yes.
Probably. You shouldn't feed your guinea pig anything other than vegetables and some fruits plus pellets and timothy hay. Always make sure a vegetable or fruit is safe for guinea pigs to eat before giving it to them. Feed alfalfa to adult guinea pigs in moderation and do not feed them ice-burg lettuce. DO NOT feed guinea pigs pellets made for rabbits or other animals.
Do not feed your guinea pig nuts. It is one of the things on this list not to feed your guinea pig. See related link below for a list of what guinea pigs can and cannot eat.