Speaking about increasing our source of income you know that doesn't happen over night. Even the Bitcoin we invest in the ROI doesn't happen immediately. We have to wait and usually this waiting period is always a long one. Assuming someone who wants to invest in Bitcoin chooses to increase their source of income it inevitably means they will still have to take from the money set aside for the investment to create a new source of income which we all know might not yield profit immediately as well. Infact the chances of the new source of income survive might be 50:50 especially if proper time to nurture the new income is lacking.
When we talk about having diverse source of income while investing in bitcoin, it does not mean that you must have to use your own money to fund another source of income. There are those of us that works for people and get paid on weekly or monthly basis and the nature of the job might give you the time to also look for other jobs to substitute the one you already have. For instance, you can have a job that has 4 working hours or a day in and a day out, so those free time can be used to find another job that will also be fetching you some money coupled with the initial one you already have.
In real sense before anyone will think of investing in Bitcoin they should have other sources of income. Even if it's not sources a single source of income should be fine as well provided it will take their attention away from their Bitcoin investment until it matures.
This is wrong. Even if you have only one source of income, you are good to start your bitcoin investment till you get another job or source of income and never use because you want to get another source of income and over labor yourself such that it will now look as though you are stressing out a lot while trying to meet up with your bitcoin investment. Even someone who has only one source of income can be successful provided they apply good financial management practices that will guide them while they are making investment in bitcoin.
Digital assets can come with so much emotional drama and all and if there are no another means of earning money then temptation to sell will want to set in and this takes extra discipline to conquer.
What's the need of bringing digital assets to this discussion, i don't fucking care about any digital assets that is not bitcoin and if it is bitcoin you are trying to merge with digital assets, i suppose you should have just talked about bitcoin specifically. But nevertheless, having an alternative source of income is not a guarantee that you won't be tempted at some point to sell unless you have to discipline yourself in a way that until you have met your target of accumulation, you won't be tempted to sell.