To know this, you need to ask yourself certain questions. Then you should know if you need to look for a better agency.
Does the agency have ROI and KPI focused goals for your business?
Do they provide timely reports about the campaign performance?
Do they provide you outlines about the upcoming strategies to achieve your goals?

You should take care of the alterations made in your account, when and why they are brought about and how well are the techniques working for your campaign. It has been seen that many agencies do not even touch their client accounts for weeks and months together, they are left completely unattended. Beware of such careless idles!

Well, we must way this is a smart query! Oxedent is A Google Shopping specialist, so we aren’t satisfied doing the bare minimum. Honesty, dedication, transparency and excellence are what we are known for. These are not our words; our beloved clients have bestowed these adjectives upon us. We believe in delivering the best and we succeed most of the times.
Many agencies have the habit of selling poor services at cheap costs and obviously many of you can get into the trap attracted by the low costs. But our aim is not in pricing, we focus on exceeding your expected results with first class deliverables of our services, with the best in the market campaigns thus giving you solid returns with a noticeable ROI from your campaigns.

If you expect us to be honest, then the answer is it depends on the kind of business and competitions. Sometimes, you can get instant results while, in other cases, you may have to wait a bit longer.
Our aim is to bring you the best quality results as soon as possible. Again, results depend on some factors:
Quality of your existing campaigns (if any)
Competition in your niche
Seasonality
Others

We strive to provide you an accurate period for when you will begin to see results as we take time to understand your business first and make an evaluation of your brand. Our extensive research plan and a profound understanding of your brand help us to set expectations for you and make your business unique.

Oxedent is a performance driven marketing agency and we don’t really prefer to work with vague goals such as reducing CPC, we focus on ROI and bring in profits.

First, we let you know that nobody can give you guarantee for results in Google Shopping. So, if an agency promises you that, beware of being befooled. But we will obviously project your success depending on the current activities and competitiveness in your industry, but again these are only projections. However, our goals are set with the right KPIs according to the initial research work and we strive our utmost to make you achieve success like never before, but yet we cannot guarantee results.

Why would you do that? But on a serious note, if you want to cancel, of course you can do it. We have no contracts, so you can drop it anytime. But we bet you would be with us because we deserve your cooperation.

We accept payments from PayPal and through bank transfers.

Again, the answer is it depends.
There are several factors that has an effect in the cost calculation of your existing Google Shopping campaign:
Audit of your resources or tools for determining the cost of your keywords
Analyse your existing Shopping campaign and suggest necessary changes to bring in improved results

To kick start your shopping campaign, you can get an indication of the total cost of the campaign. There are several factors to decide on the budget:

Number of products
Target geography
Competitiveness in your niche

Based on these factors, we can analyse and then come to a conclusion about the budget planning.

The most or least you want, it’s upto you! You just need to tell us what you want for your account and some suggestions or advice as well if you wish to.
However. Some specific information would make it easy for us to go ahead with the campaigns. You should be mentioning aspects such as:

Target geography
Marketing budget
Product and product categories to put focus on
Incoming sales figure on each dollar spent

But we would implement our own tactics and skills, for that’s why you have hired us, right?