Bounties
Risk: Medium - Nasabing kong Medium kasi maari kang makapag-invest ng time dito ngunit scam lang pala ito sa huli.
Level of Difficulty: 5/10 - Hindi naman mahirap ang sumali ang bounty, mas mahihirapan kang humanap ng good bounty. Yung bounty na nagbabayad talaga at mapapakinabangan mo ang tokens nila
Earning: Low-Medium - Kasi meron talagang mga bounty na halos kapiranggot lang ang kitaan at meron rin namang kikita ka din kahit na papaano lalo na kapag maganda ang company at maganda ang kinalabasan ng kanilang ICO
Trading
Risk: High - Because of volatility of cryptomarket, kung hindi mu na master ang galaw ng cryptocurrency, maari ka talagang malugi dito.
Level of Difficulty: 10/10 - If you dive into trading directly without proper background on how cryptocurrency market works. Hindi ka talaga kikita dito, meron pang possibility na mag-nenegative ka sa iyang inilabas na pera dahil sa fees sa trading at sa volatility ng market.
Earning: Medium-High - Why Medium-High? because if you master the market, malaki ang possibility na kikita ka talaga. In banks, your money could grow we say .25% per annum while in trading with cryptocurrency, your portfolio could gain 10% or higher monthly depending on your performance.
Mining
Risk: High - Malakas itong kumain ng kuryente at isa pa kailangan mo rin mag-invest ng mining rig. Alternatives to mining are staking and running a masternode.
Level of Difficulty: 10/10 - You need to learn how setup your mining rig properly. After setting it up, maintenance would be necessary also. You need to take in mind also the safety of your house or kung saan mo nilagay ang mining rig mo (electricity/wirings, overheating, etc)
Earning: Low-High - It depends on the performance of the coins na mina-mine mo, low earning if balance lang ang yung cost at income, medium if meron kanang pang-burger at fries sa pag-mamine mo, high if meron ka nang naitatabing pangbili ng bagong rig.
Services(signature, manager etc.)
Risk: Medium - Medium kasi hindi ka nga nag invest ng pera, meron namang possibility na makapag-invest ka ng iyong time ngunit hindi ka nabayaran or mas masaklap ma-Gerald Anderson ka, yung tipong hindi ka na mine-message ng client.
Level of Difficulty: 7/10 - You can offer any services that you think you can manage. The hard part is finding that client and winning them.
Earning: Low-Medium - If malaki ang work mo sa kanila at sa tingin mo malaki ang impact mo sa company na to then you can demand a higher pay. Masasabi ko rin na low kasi hindi naman ganon kadami ang Services na i-offer mo dito, wala tayo sa upwork, nasa Bitcointalk tayo.
Gambling
Risk: High - If you are good with gambling but if not then it's better not to include this one on your prospects for income.
Level of Difficulty: 9/10 - Gambling is gambling, whether you like it or not. Meron talagang mananalo at meron ding matatalo. Stick with what you master/know, rather than jumping from one gambling platform to another, hindi na ka namn siguro jack of all trades.
Earning: Low-Medium If you are a good gambler, maari kang kumita ng malaki pero kung newbie ka palang, lost talaga ang mahahantungan mo lalo na pag hindi calculated ang iyong mga galaw.
Investing
Risk: High - Why high ? because it is crypto. I didn't discourage investing in crypto but make sure that you don't put all your eggs on one basket. Like, halos ibenta mo na lahat ng appliances mo may pangdagdag lang ng coins/token na akala mo magiging milyonaryo ka na in few months.
Level of Difficulty: 8/10 - Research lang talaga ang labanan dito, bago ka mag invest kailangan mo muna i-background check ang company at iresearch if maganda bang mag Hodl ng kanilang cryptocurrency.
Earning: Medium-High - If you into investing, you must think on long-term (3-5 years or even higher). Investing requires patience, meron kasi iba na napakadaling ma discourage. After 3 months palang ng pag-iinvest at nakita nilang walang nagyayari sa portfolio nila, sell na agad.
I think this is my 2 cents on the list of possible income streams stated by the poster. What's yours ?