How to advertise on Facebook for FREE with unlimited budget

Last Updated: June 12, 2022

You can realistically advertise on Facebook or any other marketing platform (like Google Ad, Twitter, etc.) for FREE as long as you focus on optimizing this one metric called Return on Ad Spend (ROAS).

You just need to maintain your profitable ROAS.

However, the higher, the better.

Introduction to Profitable ROAS

Profitable ROAS is the ROAS you need, in order to remain within your Max. CPA

Let’s say you spent $25 on Facebook ads to generate 1 sale of $100 then your ROAS = $100 / $25 = 4

Let’s say your maximum CPA is $20.

Since your CPA from Facebook ads ($25) is higher than your max CPA of $20, you won’t be profitable.

So what should be your ROAS to be profitable?

Profitable ROAS = Average order value / Max. CPA

= $100 / $20 = 5

You would need a ROAS of 5 or more to stay within your Max. CPA target.

As long as you do that, you can continue to advertise on any marketing platform for FREE and still make money on top of that.

Let me show you how that is possible.

Suppose your Facebook ad spend last month was $200, and your sales from Facebook ads was $1200.

Your ROAS = $1200/$200 = 6

Since your ROAS of 6 is greater than your profitable ROAS, you are profitable.

The money that you spent on Facebook advertising was $200. So the money left after paying the Facebook ad bill = $1200 – $200 = $1000

And here is the cool thing. You did not pay this money from your own pocket. You paid this money from the sales you generated via Facebook ads.

So basically, you were paid by Facebook for advertising on their platform. This is the amount of money that you could not have earned without Facebook ads.

It is very important to remember that Facebook does not owe you any money. If you stop advertising on Facebook tomorrow, this money will disappear into thin air.

This is the kind of money you can generate only from Facebook. ROAS of 6 or 8 is quite realistic with Facebook.

Following is the ROAS of one of my Facebook ad campaigns:

advertise fb free ROAS 1

Here the ROAS is 6.69, i.e. for every dollar I spent on Facebook, I got 6.69 dollars in return.

My ROAS fluctuates. Sometimes it goes as high as 10. I am not kidding:

advertise fb free roas

So basically, I advertise on Facebook for FREE.

In fact, Facebook pays me for advertising on its platform. Isn’t that awesome?

I sell my web analytics training courses through Facebook, which cost US $1498.

So I am not selling $10-$20 items here, which are much easier to sell on Facebook. I am selling high-ticket items.

And I do not have a big budget either. My daily ad spend is around $200. But I have consistently sold very high-priced items, which many will tell you is impossible.

I do not have tens of thousands or millions of followers on Facebook either. But my ads are reaching the right people, my core target audience. That’s the difference.

That’s why I don’t need a lot of reach to generate sales.

Most retailers sell items on Facebook below $50 and mostly target random people. Because of that, they need to target a very large audience, increasing ad spend and decreasing ROAS.

Having said that, my results are not typical, and I am not promising that you will also get the same level of results.

But, I can promise you that getting profitable ROAS is not a far-fetched dream. It is very realistic.

You have to be in some very boring niche not to be able to make any money from Facebook.

There are lot of marketers out there making insane amount of money through Facebook ads.

And you will be able to see through your reports whether or not you are profitable. You don’t have to rely on guesswork. Just track purchases within Facebook.

But here is the thing. You need a profitable ROAS  for this magic to happen for you.

Many marketers do not get the desired ROAS because their focus lies elsewhere. They seem to be more interested in optimizing for clicks, impressions, cost per clicks, cost per thousand impressions, CTR, etc.

Now nothing really is wrong with these metrics. They are all good for optimization. But in the grand scheme of things, they don’t really matter.

What matters is your ROAS.

At the end of the day if you are no making money, if you are not profitable, even a CTR of 100% doesn’t mean anything.

If you focus on increasing your ROAS, you can practically run your ad campaigns with an unlimited marketing budget for FREE and continue to make money on top of that.

It is like using Facebook as a cash-generating machine. You put $1 into Facebook and get $2 or more back. The more dollars you put in, the more dollars you can get back.

However, there is one caveat here. Don’t get carried away. Don’t get your hopes so high.

If tomorrow you put $1 million dollar into Facebook advertising system, you won’t magically get $2 million or more in return.

The law of diminishing returns will stop you from doubling/tripling your ROAS by just doubling/tripling your marketing budget.

You can’t just double your ROAS by doubling your ad spend. It doesn’t work like that.

According to the law of diminishing returns, if you keep adding more of one unit of production to a productive process while keeping all other units constant, you will at some point start producing lower per unit returns.

So to increase your ROAS, you need to do much more than just doubling your marketing budget. You need to continue to optimize your ad campaigns for conversions. You would need to run new tests. Target new markets etc.

But this is all possible only when you first shift your focus from clicks & impressions to ROAS.

WARNING: If you operate on very low Max CPA, you may not be able to leverage any online advertising platform and hence won’t be able to scale

Average CPA is increasing month by month because of an increase in advertising competition. So to compete effectively, you would need to spend a lot more than your competitors to acquire customers.

Your Maximum CPA depends upon your desired level of profitability and your industry

The more operating profit you want to generate, the higher your operating profit margin needs to be.


In order to acquire a new customer, you would need to sacrifice certain portion of your operating profit. This portion of your operating profit would cover your customer’s acquisition cost.


Higher your desired operating profit, lower is going to be your Max CPA

In other words,

Higher your desired operating profit margin, lower is going to be your Max CPA


The lower your desired operating profit margin, the higher your Max CPA can be.

If you are operating in a very competitive/saturated market, your average cost per acquisition will be pretty high.

In that case, you can not afford to operate with a high operating profit margin. You would then most likely have to operate on a very low-profit margin. Otherwise, any type of online advertising won’t be profitable for you.

Next Read: How to calculate Maximum CPA and Minimum ROAS?

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