Also if you have any other suggestions (like the module you want) or questions please reply to me here.
Here are some personal suggestions for other similarly price modules, around $1 max with free shipping on Ali or eBay (all prices are free shipping or shipping included, but exact price can change every day)
"Smart Electronics MAX7219 dot matrix module microcontroller module DIY KIT" - $1.01
"development board ATTINY85 module for Arduino usb" - $0.98
"ISD1820 Voice Recording Recorder Module With Mic Sound Audio Loudspeaker" - $1.06
" TF card U disk MP3 Format decoder board module amplifier decoding audio Player" - $0.97
" Ultrasonic Wave Detector Ranging Module HC-SR04 HC SR04 HCSR04 Distance Sensor" - $0.78
"Super Mini PAM8403 DC 5V 2 Channel USB Digital Audio Amplifier Board Module 2 * 3W Volume Control with Potentionmeter Switch" $0.71
"WS2812 5050 RGB Built-in LED 8 Color full LED Module For arduino" - $0.84
"5V Heartbeat Sensor Senser Detector Module By Finger For Arduino" - $0.56
I listed a lot because I don't know which modules you have available to send - maybe you have one of those above or a very similar one. Prices are not exactly the same, but similar as the relay module. If you can send
any of the modules listed above, please let me know as it would benefit my learning experience so I would be interested. I just got my first Arduino, and I'm interested in experimenting with it.