Why are medicinal root crop buyback schemes like Sarpagandha often mis-sold?

The warnings exist because the pattern repeats. A typical mis-selling works like this: an agent sells you costly planting material at an inflated rate, promises a high assured buyback price, and shows glossy income projections. After you plant a long duration crop and wait a year or two, the buyer either disappears, refuses to lift the produce, or rejects it on vague quality grounds, or pays a fraction of the promised rate. By then your money and land time are gone. Protect yourself: never let the same party sell you both the planting material and the buyback promise, get every number on a written stamped agreement, independently verify the buyer exists and is actually purchasing, confirm the real market price from neutral sources, and start small. If anyone pressures you with urgency or guaranteed riches, walk away. A genuine buyer will not mind you verifying.