A College Dropout Waitress Taught Slime on YouTube — and Built a $2M-a-Year Empire
Karina Garcia dropped out of college and waited tables. In 2013 she started a YouTube channel doing DIY videos that went nowhere. Then in 2015 one 'how to make slime' tutorial exploded — the New York Times credits her with starting the slime trend, and she's been called 'the Kylie Jenner of slime.' On near-zero-cost ingredients like glue and food coloring, she hit up to $200K a month, ~$2M a year, wrote a book, landed in Target, and bought her family a house.
Process
Karina Garcia had no cheat-code start. She's one of seven kids in a Mexican-American family in California, a college dropout who waited tables. Her entire later business was built out of near-free stuff — glue, borax and food coloring. Here's the story broken into stages.
Stage 1: The trial period (2013) — a year of filming, nobody watching
Around 2013 she started a YouTube channel doing DIY, life hacks and beauty. Honestly, it went nowhere. The one thing she got right in this stage was that she didn't stop: with no feedback and no income, she kept publishing, got comfortable on camera, and built her craft.
Stage 2: The ignition (2015) — one slime tutorial
In 2015 she saw a slime recipe on Pinterest and filmed a "how to make slime at home" tutorial. It caught fire. Millions of kids and teens suddenly became obsessed with making the stretchy, pokeable, colorful goo at home. She caught a viral wave just as it was forming — and the New York Times later credited her with starting the slime trend.
Stage 3: Compounding content (2015–2016) — turning one hit into a channel
One viral video isn't a business; sustaining it is. She uploaded relentlessly: giant slime, a stress ball made from 100 pounds of slime (one video past 23M views), all kinds of wild recipe challenges. Subscribers rolled from hundreds of thousands to millions, eventually past 7 million, with over 900 million total views. On ad revenue alone she pulled $80K–$160K a month, over $200K in the best months. The press called her "the Kylie Jenner of slime."
Stage 4: From traffic to shelf space (2017) — a book + Target
She didn't stop at living off ads. In May 2017 she published the book Karina Garcia DIY Slime; in October she launched her own product line, Craft City — a slime kit, a bath-bomb kit and a lip kit — exclusively at Target, later rolling out to Michaels, Jo-Ann and Ross. She upgraded "teaching people to make it" into "selling people the materials to make it."
Stage 5: Empire mode (2017–present) — the house that slime bought
Add up ad revenue, brand deals, books, the product line and live tours, and her business does roughly $2M a year, with net worth estimated at $3M–$5M. One line from an ABC report says it all: this is "the house that slime bought" — she used slime money to lift her whole family out of hard times.
Thinking
Why Karina? Around 2015 there were thousands of people posting slime videos, many with flashier recipes than hers. What was decisive wasn't that "she could make slime" — it was three things stacking together.
First: she was already present at the exact moment the trend formed, and she uploaded the hardest. The slime explosion was an exogenous trend she couldn't control. But when a trend arrives, what matters is whose channel is already ready to catch the wave. She'd been filming, building her on-camera craft and growing a channel since 2013 — so when the wind came in 2015, she wasn't "someone just learning to make videos," she was "someone already producing consistently at high frequency." Those two years nobody watched were really her storing up potential energy for a wave that hadn't arrived yet. That's why "keep posting through the dead period" isn't a platitude — it's a mechanism.
Second: the category she picked was inherently friendly to the algorithm and to re-watching. Slime videos have hidden advantages: near-zero ingredient cost (no financial risk in experimenting), strong ASMR/visuals (good for repeat viewing, loved by the recommendation algorithm), an audience of kids (high re-watch, parents willing to pay), and "every video is an ad for the next product." Can an ordinary person copy her? You can copy the product-selection logic — not necessarily slime itself.
Third, and most overlooked: she made the jump from "traffic" to "assets." Most creators who rise on a single trend go to zero when it passes, because all they have is attention, not something that can be bought. At the peak, Karina did two right things: a book (productizing knowledge) and Craft City in Target (channeling content traffic into a physical product people pay for repeatedly and that sells itself on a shelf). She turned a gust of wind into a house.
Action
If you want to replicate this "zero-cost content → physical product" path:
Pick a niche with near-zero material/tool cost but strong visuals, and film for free for 12 months. Good for: people who are handy and willing to make things on camera (crafts, food, organizing, restoration, drawing, makeovers…). Key criteria: very low per-video cost (so you can fail hundreds of times without going broke) + good visuals (built to be discovered).
Treat "never miss an upload" as discipline, not mood. Karina's first two years had no feedback. Accept in advance: your first 50–100 videos will probably get no views — that's the entry fee, not a failure signal. A fixed cadence (say 3/week) trains your craft and the algorithm's recognition, not today's view count.
Watch trends and be "the channel ready to catch the traffic." Don't bet on creating a trend yourself — instead, when a niche suddenly shows signs of life (comments start asking, related searches rise), have a ready channel and the chops to jump on it at high frequency. First isn't always best; "already in position when the wind comes" wins.
The moment you have a stable audience, ask "what's my Craft City?" Traffic must land on something people pay for repeatedly that doesn't depend on you being on camera daily: a materials kit, a tool set, a book, templates, a digital product. Avoid: ads-only = handing your lifeline to the platform and sponsors, and starving when the trend passes.
Prefer product forms that "go on a shelf / sell themselves." Getting into Target matters not for prestige but because the product sells while you sleep. Even if you can't land big retail, set up a 24/7 self-serve channel early (your own store/Amazon/an online shop).
Not for you if: you need money "this month" — this path is usually zero-revenue for the first year; or you only want to be famous, not to build a product — then you'll have traffic but no assets.