why after loop finishes the next echo has the text from the previous echo:

because the line is NOT BEING CLEANED which causes after the loop finishes to make the cursor write over the text without cleaning it first

there's 2 solutions:

• clean line afterloop:

  read -p"Enter timer length (seconds): " num
  echo "Timer starting...now"
  sleep 1
  for i in $(seq 1 $num)
  do
    echo -en "$num second(s) remaining\r"
    sleep 1
  done
  echo -e "\r\033[K\033[34mTimer Finished\033[0m"
  

• make newline afterloop:

  read -p"Enter timer length (seconds): " num
  echo "Timer starting...now"
  sleep 1
  for i in $(seq 1 $num)
  do
    echo -en "$num second(s) remaining\r"
    sleep 1
  done
  echo -e "\n\033[34mTimer Finished\033[0m"