Even if it’s a mundane task like walking dogs, you could start the next (or only) full-service dog walking and grooming service in your town, where dog owners rave over your business and always refer you to others. You can hire other dog walkers as you grow, and turn your side hustle into a sustainable enterprise. You just have to do the work, and do it well.
401k: Be sure to take advantage of your employer’s 401k plan by putting at least enough money to collect the employer match into it. This basically means that for every dollar you contribute, your company will match that (pre-tax!). This ensures you’re taking full advantage of what is essentially free money from your employer. That match is POWERFUL and can double your money over the course of your working life:
Do you love getting refunds? How cool would it be to get money back on stuff you’ve already bought? Paribus is a service that lets you find out if stores you’ve shopped at online owe you a refund.  It’s free to sign up. Paribus connects to your email account and checks your receipts.  If they find out a retailer has dropped their price they file a price adjustment claim for you.  Try out Paribus.
While this isn’t exactly a long-term solution for making money (since you have to pay it back), it is a reliable way to get some extra cash when you’re in a pinch. It’s also a great way to make money by saving money if you use a personal loan to pay off high-interest debt, such as credit cards. Since getting a loan is one of the easiest ways to make extra money, we felt we had to include it.
Donating plasma can actually work out better than selling your blood.  It takes longer to donate plasma because they will put your red blood cells back in your system. The upside is that you can donate plasma as much as twice a week and you can make anywhere from $40-$60 per donation. You can make that $100 in less than a week if you can stomach the needle.
Even though risk-taking is a generally rewarding strategy in your 20s and 30s, it's also a good idea to diversify your efforts. Don't build up just one skill set, or one set of professional connections. Don't rely on one type of investment, and don't gamble all your savings on one venture. Instead, try to set up multiple income streams, generate several backup plans for your goals and businesses, and hedge your bets by looking for new opportunities everywhere. This will protect you from catastrophic losses, and increase your chances of striking it big in one of your ventures.
If you’re willing to take on some risk and have the heart of a true hustler, you can make extra money online doing commission-only sales for startups and other businesses. While you won’t be getting a regular salary, with the right sales strategies and skills as an inside sales rep, you can make decent money for each sale you bring in. And because you’ll most likely be working with startups, if you can negotiate a little equity you could profit big time if you're pitching a solid product and the startup succeeds.
In 2017, there were almost 90 million pet dogs in the US. Which has opened up a huge opportunity to make money online as a dog watcher or sitter. Specialized sites like Rover or Care.com connect pet owners with pet walkers, sitters, and boarding houses to help look after their best friends when they’re at work or on a trip. If you’re an animal lover, you can make extra money and get to spend some quality time with a furry friend.
Krystal, I understand what you are saying, but I have made money selling pictures online, and I am no pro. I can get great pictures of wildlife, tropical landscapes, and many things that other photographers may not be able to get. Should I not do this, so that other photographers can? I am also trying to pay bills and run a household. It seems that raising prices could eliminate some of your future clients. I occasionally get calls because someone can’t or won’t pay $250-$500 for someone to take pictures of their family on the beach. I also give them the CD of all of their photo’s, which many photographers won’t do.
The last step resides in the concept of contribution. Even if you have no money, find a way to contribute to others. Look for opportunities where you can help those around you. Whether they're in need or not, this mindset will drive home the point that you have more than you need, even if you physically don't. Search for ways, every single day, where you can contribute either your time or your money to those who might be less fortunate, because that's the true essence of success in every form.
Take it seriously. Yes, you’re applying for an online job. Yes, you can do the work in your underwear, but that doesn’t mean it’s not a “real job”. You must treat it as such or they aren’t going to treat you as a serious candidate. You aren’t the only one who wants to work in their underwear. In fact, the competition online is likely higher than it is in your local area.
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Market your course: The beauty of using a course to make money online is that you can continue to sell it for as long as you’d like. Look for niche communities on Facebook, LinkedIn, or Reddit that might benefit from your content. Guest post on relevant blogs and sites. Look for anywhere you might be able to get in front of the right people. With just a few hours a month you can continue to generate sales.
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