Is it better to concentrate on just a couple tracks and put more money into those than spread the budget across all 6 tracks?

In general, it’s better to spread your budget across several tracks than to promote with a higher budget on a single song.

However, send your songs to us via our song review form (https://www.couragestudiosonline.com/song-review), and we will provide our recommendations as far as budget allocation for your upcoming promotions.