if (waveCount == 5 || waveCount == 10 || waveCount == 15 || waveCount == 20 || waveCount == 25 || waveCount == 30 || waveCount == 35 || waveCount == 40 || waveCount == 45 || waveCount == 50)
{
    //yield return new WaitForSeconds(shopWait);
    shopPanel.SetActive(true);
}