Cheapest so far, was usually $899-999 on sale.
Key Features
Long lasting 4,300mAh (typical) battery and 45W super-fast charging 2.0[1]
All-new Intelligent S Pen in a sleek unibody design
Quad rear camera (12MP+12MP+16MP+3D Depth) with live focus video
Exynos 7nm Octa-Core chipset
Large 6.8" QHD+ dynamic AMOLED Infinity-O display[2]
Ultrasonic in-screen fingerprint sensor
256GB on board storage and up to 512GB microSD support[3]
Inferior screen display, plastic back, no microsd slot or dual sim.
If you want the S21 series I would at least get the S21+ or wait for a sale. Samsung has been floating the market with their trade in deals.
If you get the Note 10+ you are going to be owning a phone that is almost 2 years old which means less software updates.