Finding a vet with that specific experience before it's needed, rather than searching in a hurry once something's wrong, is worth doing early on. Most areas have at least one practice that sees reptiles regularly, and it's a far better position to be in than trying to find one for the first time during an emergency.
Minimal handling is the starting point. However tempting it is to interact with a new arrival straight away, most reptiles settle better with little or no handling for the first few days, left instead to move around the enclosure and find its hides and basking spots in their own time. Handling can begin gradually once the animal is feeding normally and showing settled behaviour, rather than on a fixed schedule regardless of how the animal is actually responding.
The structure is fairly simple in practice. A subscription is set up around a delivery cadence, typically weekly or fortnightly, chosen to match how quickly a particular animal or collection gets through its livefood. Each delivery contains a set quantity of feeder insects, sized appropriately to the animal being fed, whether that's smaller insects for a juvenile or hatchling, or larger prey for an adult with a bigger appetite. The livefood itself is despatched to arrive live and in good condition, with appropriate packaging for the time of year and the journey involved.
Care sheets are one of the most useful tools available to a reptile keeper, setting out the basics of temperature, humidity, diet and enclosure size for a given species in one place. Northampton Reptile Centre publishes care sheets covering species including the Hermann's tortoise, leopard gecko, corn snake and White's tree frog, and they're a sensible starting point for anyone researching a species or double-checking their current setup.
Northampton Reptile Centre's range spans both wooden vivarium-style builds and glass terrarium-style options, and staff who handle these products day to day can talk through which build suits a particular species, regardless of which word ends up on the box. When in doubt, the safest approach is to ask what an enclosure offers in terms of ventilation, size and material, rather than relying on the terminology alone to make that decision.
For more detail, see Northampton Reptile Centre.