If you received the $50 in 25 seperate transactions of $2 each, the fees on the transaction will be higher than someone sending $100,000 which was received in a single transaction.
At current price of Bitcoin, $2 is bigger than a minimal amount of satoshi for dust attack that is a little bit more than $0.2 now.
What is meant by Bitcoin dustLegacy: 546 satoshi
Native Segwit: 294 satoshi
Taproot: 330 satoshi
The total input numbers are used for one transaction (Sending) will increase its transaction size, that will increase it transaction fee.
https://bitcoinops.org/en/tools/calc-size/With Legacy address, transaction type P2WPKH, you can see different in transaction size with same output number (1), and two different input numbers (1 and 25).
1 input: transaction size is 109.5 vbytes
25 inputs: transaction size is 1741.5 vbytes
The network does not recognize dollar equivalent of bitcoins, only separate transactions which form inputs. The higher the number of inputs the larger the fee.
It's true.