Well it is easy to find cheap ML engineers online but what they do is mostly
- use guidelines to select a model (google "machine learning cheatsheet")
- pre-process data in an automatic (/"dumb" ?) way
- feed the data to the model, then go "tada, you can have 80% acuracy for your problem".
I have several advantages : I have experience in various domains (Image or text classification, time series treatment, anomaly detection, image clustering)
+ this is my main job so others are already willing to pay for it
+ I can EXPLAIN what I do, why I do it and what the limits are. If you just want a small course on basics, I can do it (I have already given courses to students of various levels during my PhD)
Example : Your problem is
"I want to predict the price of the bitcoin"
1st thought : Machine learning aims to explain / predict / estimate results based on data you have. Bitcoin price (and all stock market-like time series) are explained by themselves AND external factors (you can't predict china ban / elon musk fud without looking at very different data).
So don't expect a very accurate result if you want to stay full chartist.
2nd thought : When possible, simplify your problem. Predicting the price may be optimistic but predicting the direction may be sufficient for your goal (i.e. become filthy rich with your magic box predicting bitcoin price). May be you can start here, then try to predict what the volume will be, then maybe try to crawl social network to pre-shot external factors, etc...
3rd thought : Having results based on a initial confidence ("when I trained my model I had 85% acuracy") isn't reliable in time. You must think about a way to have a confidence factor during the usage of the model. Example : think about 2 models (similar or not) predict more less the same thing (can happen a lot in machine learning). When 2 monthes passes, the models start to disagree. It means that you can't rely on the results of your models anymore, and you need to do some fine-tuning / re-training / ...
Price is debatable, I know that my company "sells" me for 1k€ / day to clients, freelances sell themselves for 600€/day, but everybody take much less because of charges + company takes money (I gain ~200€/day). + you can find cheap and dumb AI engineers online, as I mentioned before.
Just don't go "I want a full neural network translating english to japanese in real time with 99.9% acuracy, trained by a GPU rented by you, for 300€" please