Charging slow/all chargers have to sit a particular way?

[kaiserworth]

I have an HTC One M8 Harman/Kardon Edition. It's not even 6 months old. It charges extremely slowly when it will accept the charger. I try to only use the factory charger for it but even that has went into "slow charge" mode. On top of that, no matter which charger I use, the charger has to be sitting a certain way or it will not charge and I know the chargers are just fine because my boyfriend has the same phone as me and the same charger and he has tried every charger that I have without any issues. I'm pretty sure I need to replace the charging port, however I wanted to get someone's opinion as well as an estimated cost before I decide if I should just use my insurance to get a new one or just get the charger port replaced.