Adding another router for your computer won't evenly split the bandwidth

Looks cost seems excessively high for a simple Ethernet drop installation, and it might be worth seeking a detailed breakdown of the charges

Ads are be the hateful thing

router is unlikely the primary issue affecting your download speeds.

point-to-point wireless bridge is better for a 450ft distance between your house and barn.

Got it! You're seeking suggestions for setting up 10Gbe connections between your garage and computer room while ensuring a 5Gbe connection from the garage to leverage your 5000Gbps ISP plan, all within a budget of $5000. what a brilliant way

Yes , it would be solved by adding another mesh router and increasing of Wi-Fi coverage throughout your townhouse.

implementing VLANs to segregate networks within ER605 router for enhanced security and control.