As with all purchases, you have to talk also in animal husbandry over the money.
The actual attitude of the quail , as well as the acquisition of quail priced plays a subordinate role. More significant suggests the initial .
One-time costs :
Lining: 15-20 € per 25kg
possibly grit stone about 2 €
Vogelsand about 50Cent 3 kg each
If you make the one-off costs in mind , to get as ongoing cost of about 4-5 cents per pet per day .