What a Tarantula should eat changes across its life more than most owners expect. Portion size, not brand, is where most first-year problems start.
A breed from Exotic species, living in India
The Tarantula was developed in Exotic species. The part that travels badly is rarely temperament - it is the coat and the tolerance for heat. Plan the year around that and most of the rest follows.
Storage in an Indian climate
Humidity spoils dry food faster than the printed date suggests. Smaller quantities through the monsoon, sealed, and look at it before it goes in the bowl.
Changing food
Phase any change over a week. An abrupt switch upsets the gut and tells you nothing about whether the new food suits a tiny animal.
Measured, not topped up
Pellets are portioned. Fresh vegetables daily in small amounts. Sugary treats and most fruit are a bad idea for the smaller species.
Planning for about 15 years
A Tarantula is with you for about 15 years. Budget and routine both need to survive that, including the last quarter of it when a tiny animal needs more veterinary attention than it did young.
The basics
For a Tarantula, unlimited hay or the species staple is the foundation, not a supplement. The teeth grow continuously and the gut depends on constant fibre.
Balancing solitary against calm
Breeds described as both solitary and calm need the two managed together rather than separately. With a tiny animal that usually means a predictable routine first and training second - the routine is what makes the training stick.