Check my signature. I will make the website before payment

I’d like to handle this gig if it’s still available

You can't really do much with it, unless you start small but the profit margins will be low. this what i would do, I will put word out in my neighborhood or friends that i want smart phone or laptop(distress sales) to buy or i will simply go on websites like jiji or any other market place and contact sellers. I will bargain for used but neat gadgets. I'm in no hurry so i will make countless calls until i find a good product which will guarantee me good ROI after sales. I usually bargain for 20% or more reduction in the device ,then Easily Flip it online or let friends know i have So So So product for sale or sell it on the same jiji platform for a reasonable price. Checking for damages is very vital, Some damages can be fixed easily and others can't.

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if you need something like this, Check my Signature.

Those skills your friends mentioned is not feasible in my opinion. the only legit airdrops I've seen in my life was $5 airdrop from blockchain and bc game gave free doge coins out to its gamers when it was worth $0 and airdrops from gaming chatrooms. Don't let anyone misguide you.
You can decide on the Tech skill you want to acquire, then start looking for your colleagues in that field. it could be anyone random within your country. You don't have to necessarily meet them in person, it can be by following them on Linkedin,Fb,Nairaland,X or Instagram or anywhere.
check out their various portfolio's and the skills they have.
Start by learning each skill in that field on YouTube or alternatively Courses which i don't advice as a beginner. Pick up random projects in those fields then learn the fundamentals on YouTube. Google should be your friend and Nairaland is full of Handful useful information's. if you encounter a problem just google it on youtube or google or ask on forums.
Why would you buy an update when you've zero knowledge of what it is and how it works ? There are a lot of bogus updates and courses on the internet. Know what you're buying and if you don't a simple research online will save you all the headache.