Okay.
Deeko, I like you, despite what everyone else might think about you. You're sort of cute in a goofy sort of way and you obviously don't give a rat's fanny about what everyone else thinks of you. Nice healthy ego.
Okay.
Deeko, those songs are....well, if not bad then really not good. I listened to nearly all of them, and some of them are definitely better than the others - sorry, but I couldn't make it all the way through most of them and I like the Backstreet Boys and N'Sync sometimes. I said it before and I'll say it again - get you into a professional studio with someone who knows how to mix and fade you and maybe you'll be passable. But - and I mean this with all due respect - dude, I sing better than you do and I really can't sing. I go one octave higher on "Shape of My Heart" and "This I Promise You" and it sounds terrific to people, not just dogs - which means they must be some very easy melodies to sound good to, since as I said, I can't usually sing for crap.
I hear you talking about stuff being out of your natural range, but to be honest...I don't know if you have a natural range. You're either too low or too high, and neither sounds very "rangeful" - it's all pretty much the same note, just with different inflection.
If you're making money off of this and you're happy, then go for it as much and as often as you want to, because if you're doing what you like, it doesn't matter what any of us think. Just don't post it here and expect much constructive criticism or applause.