Can I get someone to sign off on my setup before buying?

[Jonnyswboy]

Hello! I am new to car audio and I just wanted some approval before I go ahead and spend this much money. Also would like some confirmation that this is all I should need to be up and running. 

Trunk of 2010 Mazda 6 (110A Alternator)

Head Unit: https://www.amazon.com/Android-Eonon-Octa-Core-Applicable-2012-GA9198B-8/dp/B07F9W3594

Sub (Dual 2 wired to 1 ohm): https://ficaraudio.com/product/ssd-series-ssd15/

Amp (Obviously nowhere near max gain): https://www.ebay.com/itm/Taramps-MD-3000-1-1-Ohm-New-Taramps-MD3000-Amplifier-3-Day-Delivery/233068799427?epid=7031754299&hash=item3643fba5c3:g:U7AAAOSw5rBbMB0e

Enclosure: https://www.amazon.com/300-Enclosure-318-15-Diamond-Hatchback/dp/B004RJGFXG

Wiring Kit (I know it's overkill): https://www.amazon.com/2-Channel-Amplifier-Installation-Interconnect-Speaker/dp/B00EIND408

If there's any room to save money I would love to hear it. Thanks!

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