Since you have nothing specific in mind I don’t see how you can beat out buying from Amazon. Once you pay for shipping from one of us, that leaves very little for an actual purchase price, unless you find one for local pickup. Here are some tenors:
Lanikai polyfoam $35
https://smile.amazon.com/Lanikai-UC...rnid=2941120011&s=musical-instruments&sr=1-22
black Glarry tenor for $32.
https://smile.amazon.com/Glarry-Gra...=2941120011&s=musical-instruments&sr=1-1&th=1
Lorchwise Glarry hard case $38.
https://smile.amazon.com/Lorchwise-...rnid=2941120011&s=musical-instruments&sr=1-17
A Glarry with snake skin finish in black or rust for $35.
https://smile.amazon.com/Python-Pat...2941120011&s=musical-instruments&sr=1-16&th=1
Concerts
Glarry concert for thirty bucks:
https://smile.amazon.com/Pattern-Le...&rnid=2941120011&s=musical-instruments&sr=1-8
another same:
https://smile.amazon.com/Glarry-Gra...=2941120011&s=musical-instruments&sr=1-1&th=1
Soprano
the Glarry soprano for $27
https://smile.amazon.com/Glarry-Gra...=2941120011&s=musical-instruments&sr=1-1&th=1
If you want more of a name brand, I’d look to reverb. You’ll find most sizes between $30-40.
If you bide your time you may find the odd hard case close out on Amazon or Walmart or Reverb for $20-30. I picked up a tenor Lanikai polyfoam the other day off Walmart.com for $26, free shipping delivered to a local Walmart. That was from a different vendor selling through Walmart’s fulfillment centers, like many do with Amazon.
Maybe this is not what you were looking for, but having purchased around 40 ukes by now (I only have 12 now, still trying to slim down more) I have bought my share of cases, and that’s how I do it. If you want to protect a solid wood uke, I think the best hydration system combo is to put an Oasis in the soundhole, and to keep the cases humidified with a 49% Boveda. I find the $3 analog hygrometers are very accurate and keep one in the case with all my solid wood ukes.
Oh, if you live in central Texas I can sell you a case for local pickup, but I’m not going too ship one for any price worth buying.
Well. There was a lot of unasked for advice, and we all know what that is worth. Sorry for being so long-winded and slightly off topic. I hope maybe something I said was helpful. Best luck in your search.