Colleen/Jerrod Is 100% correct.

I highly recommend that you get the enclosure set up and up to the proper temperature and humidity before you get your frog.
And have a source of feeders.
you can get a cricket keeper that can hold 20 crickets or so or you can get a 10g tank with a good screen lid.
Crickets will need as much care as your frog will.
you will need to keep them hydrated, the best way is to use water crystals or flukers cricket quench.
in a small dish and you will need to feed them.
I use a mixture of fresh veg like carrots, zucchini , cucumber and flukers cricket feed that has extra calcium.
You will need to clean out the cricket area once a week.
when you buy crickets they will give you some paper egg crate. Keep that in the keeper if it dosn't have the little black tubes
for the crickets to hide in.
as for Dubia roaches they are much easier and cleaner to keep but it will take time to build up a colony.
I would buy two batches of Dubia nymphs. One batch to make the colony. and the other to feed to the frog
while the colony is getting established this will take some time.
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If you are getting your new pacman as a baby you don't need much of an enclosure.
In fact you only need a small keeper that is plastic until it gets larger and a 10 gallon is plenty big enough.
But keeping it at the proper temperature and humidity is very important.

I recommend getting a Zoo med hygrotherm HT-10 controller with a Repti therm mini heat pad (placed on the side not the bottom)
Only the mini is rated for use with plastic enclosures. and I use a repti fogger in my set up but it hardly ever comes on since if you keep the
substrate moist. Not wet or soupy just moist to the point that it clumps when you compress it in your hand.
And I recommend only using coconut fiber or eco earth. for substrate.
Have it deep enough so the frog and burrow into it up to its eyes 2 to 3 inches max. when it is a baby.
And cover at least one of the sides with some kind of cling background. This will help to make the frog feel less stressed.
Do that after applying the heat mat.

Also location of the enclosure is important too.
You need an area where there isn't a lot of traffic or too close to a air conditioning vent.
Or a fan blowing on it.
So the temps and humidity can be as stable as possible.
I keep my pack man at 83F during the day and drop the temp to 78F at night and keep at least 75-80% humidity but try to no go higher than 90%
The Hygrotherm has a light sensor that can sense night time light levels and drop the temp.
It can also set alarms if the temp is too high or too low same with the humidity.
You can get all this stuff off of amazon fairly inexpensively. I found the Hogrotherms for $40.00
Do not get this stuff from a store like pet smart $$$$

I feed a staple of Crickets and dubia roach nymphs dusted with vitamin supplements every other feeding and gut load both
the crickets and roaches.

Keeping the enclosure clean is also very important,
I spot clean at least every other week. and total replace the substrate once a month or when it starts to smell funky.
You will also need a source of clean water and change it every day with de-chloranted water only.
and only use de-chloranted water to wet the substrate. Do not use bottled water , distilled , plain untreated tap even if you are using a well.
Trust me.
Another staple food is earth worms or cut pieces of night crawlers.

Foods to stay away from.
Meal worms, supper worms. Their exoskeleton can cause impaction. Not a good thing.
Foods to feed sparingly
Wax worms are ok but on a treat basis only once a week or so.
Pinky mice (when your frog gets much larger) and only once a month or so.
Do not feed live full grown mice they can cause your frog harm when the mice fight for their life.

This is more than enough to get you started.
If I have forgotten something I sure some one will help out.

Remember a happy healthy frog begins and ends with the keeper.